[enh] Move from old forked repository to a new one

2024-09-03 20:26:33 +02:00 · 2016-05-01 21:45:18 +02:00 · 2016-05-01 21:45:18 +02:00 · e92fada157
commit e92fada157
parent 72f69bf8d0
196 changed files with 22399 additions and 2 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1 @@
+!dist/
--- a/README.md
+++ b/README.md
@ -1,2 +1,15 @@
-# strut_ynh
-Strut - An Impress.js and Bespoke.js Presentation Editor http://strut.io
+strut_ynh
+===============
+
+Strut package for YunoHost
+
+[![Facelift](https://f.cloud.github.com/assets/1009003/515405/f1003c6a-be74-11e2-84b9-14776c652afb.png)](http://strut.io)
+
+#### A GUI / Authoring Tool for ImpressJS and Bespoke.js ####
+
+Don't know what ImpressJS is?  Check out the ImpressJS demo presentation: http://bartaz.github.com/impress.js/#/bored
+
+### Start using Strut! http://strut.io/editor/
+(works in Firefox, Chrome and Safari with basic support for IE10)
+
+### Official Website: http://strut.io ###
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@ -0,0 +1,10 @@
+location PATHTOCHANGE {
+       alias ALIASTOCHANGE;
+       index index.html;
+       try_files $uri $uri/ /index.html;
+       include conf.d/yunohost_panel.conf.inc;
+}
+
+location ~ ^PATHTOCHANGE/(data|config|\.ht|db_structure\.xml|README) {
+       deny all;
+}
--- a/manifest.json
+++ b/manifest.json
@ -0,0 +1,47 @@
+{
+    "name": "Strut",
+    "id": "strut",
+    "description": {
+        "en": "Strut is a slide editor creating impress.js presentations.",
+        "fr": "Strut est un éditeur de slide permetant de créer des présentation impress.js."
+    },
+    "maintainer": {
+        "name": "zamentur",
+        "email": "valentin@grimaud.me"
+    },
+    "multi_instance": "true",
+    "arguments": {
+        "install" : [
+            {
+                "name": "domain",
+                "type": "domain",
+                "ask": {
+                    "en": "Choose a domain for Strut",
+                    "fr": "Choisissez un nom de domaine pour Strut"
+                },
+                "example": "domain.org"
+            },
+            {
+                "name": "path",
+                "type": "path",
+                "ask": {
+                    "en": "Choose a path for Strut",
+                    "fr": "Choisissez l'adresse pour Strut"
+                },
+                "example": "/strut",
+                "default": "/strut"
+            },
+            {
+                "name": "public_site",
+                "ask": {
+                    "en": "Could non member create presentations ?",
+                    "fr": "Une personne non membre peut elle créer une présentation ?"
+                },
+                "choices": ["Yes", "No"],
+                "default": "Yes"
+            }
+
+
+        ]
+    }
+}
--- a/scripts/backup
+++ b/scripts/backup
@ -0,0 +1,15 @@
+#!/bin/bash
+APP=${!#}
+
+# The parameter $1 is the backup directory location dedicated to the app
+BACKUP_DIR=$1
+
+domain=$(sudo yunohost app setting $APP domain)
+
+# Copy the app files
+final_path=/var/www/$APP
+sudo cp -a $final_path "${BACKUP_DIR}/www"
+
+# Copy the conf files
+sudo mkdir -p "${BACKUP_DIR}/conf"
+sudo cp -a /etc/nginx/conf.d/$domain.d/$APP.conf "${BACKUP_DIR}/conf/nginx.conf"
--- a/scripts/install
+++ b/scripts/install
@ -0,0 +1,39 @@
+#!/bin/bash
+
+APP=${!#}
+
+# Retrieve arguments
+domain=$1
+path=$2
+public_site=$3
+
+sudo yunohost app setting $APP public_site -v $public_site
+
+# Check domain/path availability
+sudo yunohost app checkurl $domain$path -a $APP
+if [[ ! $? -eq 0 ]]; then
+    exit 1
+fi
+
+
+# Copy files to the right place
+final_path=/var/www/$APP
+sudo mkdir -p $final_path
+sudo cp -a ../sources/* $final_path
+
+# Set permissions to roundcube directory
+sudo chown -R www-data: $final_path
+
+
+# Modify Nginx configuration file and copy it to Nginx conf directory
+sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
+sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
+sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$APP.conf
+# Reload Nginx and regenerate SSOwat conf
+sudo service nginx reload
+sudo yunohost app setting $APP skipped_uris -v "/"
+if [ "$public_site" = "No" ];
+then
+	sudo yunohost app setting $APP protected_uris -v "/index.html,/scripts"
+fi
+sudo yunohost app ssowatconf
--- a/scripts/remove
+++ b/scripts/remove
@ -0,0 +1,8 @@
+#!/bin/bash
+
+APP=${!#}
+
+domain=$(sudo yunohost app setting $APP domain)
+
+sudo rm -rf /var/www/$APP
+sudo rm -f /etc/nginx/conf.d/$domain.d/$APP.conf
--- a/scripts/restore
+++ b/scripts/restore
@ -0,0 +1,46 @@
+#!/bin/bash
+APP=${!#}
+
+# The parameter $1 is the backup directory location dedicated to the app
+BACKUP_DIR=$1
+
+
+domain=$(sudo yunohost app setting $APP domain)
+path=$(sudo yunohost app setting $APP path)
+public_site=$(sudo yunohost app setting $APP public_site)
+
+# Check domain/path availability
+sudo yunohost app checkurl $domain$path -a $APP
+if [[ ! $? -eq 0 ]]; then
+    echo "There is already an app on this URL : $domain$path" | sudo tee /dev/stderr
+    exit 1
+fi
+
+# Restore the app files
+final_path=/var/www/$APP
+
+if [ -d $final_path ]; then
+    echo "There is already a directory: $final_path " | sudo tee /dev/stderr
+    exit 1
+fi
+sudo cp -a "${BACKUP_DIR}/www" $final_path
+sudo chown -R www-data: $final_path
+
+# Restore the conf files
+conf=/etc/nginx/conf.d/$domain.d/$APP.conf
+if [ -f $conf ]; then
+    echo "There is already a nginx conf file at this path: $conf " | sudo tee /dev/stderr
+    exit 1
+fi
+sudo cp -a "${BACKUP_DIR}/conf/nginx.conf" $conf
+
+# Reload Nginx
+sudo service nginx reload
+
+# Set ssowat config
+sudo yunohost app setting $APP skipped_uris -v "/"
+if [ "$public_site" = "No" ];
+then
+	sudo yunohost app setting $APP protected_uris -v "/index.html,/scripts"
+fi
+sudo yunohost app ssowatconf
--- a/scripts/upgrade
+++ b/scripts/upgrade
@ -0,0 +1,34 @@
+#!/bin/bash
+APP=${!#}
+
+# Retrieve arguments
+domain=$(sudo yunohost app setting $APP domain)
+path=$(sudo yunohost app setting $APP path)
+public_site=$(sudo yunohost app setting $APP public_site)
+
+
+### Execute potential SQL statements here
+
+# Copy files to the right place
+final_path=/var/www/$APP
+sudo mkdir -p $final_path
+sudo cp -a ../sources/* $final_path
+
+# Set permissions to roundcube directory
+sudo chown -R www-data: $final_path
+
+# Modify Nginx configuration file and copy it to Nginx conf directory
+sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf*
+sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf*
+
+sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$APP.conf
+
+
+# Reload Nginx
+sudo service nginx reload
+sudo yunohost app setting $APP skipped_uris -v "/"
+if [ "$public_site" = "No" ];
+then
+	sudo yunohost app setting $APP protected_uris -v "/index.html,/scripts"
+fi
+sudo yunohost app ssowatconf
--- a/sources/empty.html
+++ b/sources/empty.html
@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+<head>
+</head>
+<body>
+</body>
+</html>
--- a/sources/index.html
+++ b/sources/index.html
@ -0,0 +1,120 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+		<meta http-equiv="Cache-Control" content="max-age=0">
+		<meta http-equiv="Cache-Control" content="no-cache">
+		<meta http-equiv="expires" content="0">
+		<meta http-equiv="Expires" content="Tue, 01 Jan 1980 1:00:00 GMT">
+		<meta http-equiv="Pragma" content="no-cache">
+		<title>Strut - Beta</title>
+		<link rel="stylesheet" href="styles/main.css">
+
+		<!-- can't build this in due to font imports -->
+		<link rel="stylesheet" href="preview_export/reveal/css/theme/default.css">
+
+		<link rel="shortcut icon" href="img/strut-icon.png">
+		<link rel="apple-touch-icon-precomposed" href="img/strut-touch.png">
+		<link rel="stylesheet" type="text/css" href="styles/built.css">
+		<script type="text/javascript" src="preview_export/download_assist/swfobject.js"></script>
+	</head>
+	<body class="bg-default">
+		<!--[IF IE]>
+			<div class="container">
+			<div class="alert alert-success">
+				Internet Explorer does not support the 3-D transitions required by <strong>Strut</strong>.
+				<br/>
+				<br/>
+				<strong>Strut</strong> currenly only works in <a href="http://www.mozilla.org/en-US/firefox/new/">Firefox</a>, <a href="https://www.google.com/intl/en/chrome/browser/">Chrome</a> and <a href="http://support.apple.com/kb/DL1531">Safari</a>.
+				<br/>
+				We do hope to support IE 10 sometime in the future.
+				<br/><br/>
+				Sorry for the inconvenience.
+			</div>
+			</div>
+		<![endif]-->
+		<script>
+		window.isOptimized = true;
+		if (!Function.prototype.bind) {
+		  Function.prototype.bind = function (oThis) {
+		    if (typeof this !== "function") {
+		      // closest thing possible to the ECMAScript 5 internal IsCallable function
+		      throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
+		    }
+
+		    var aArgs = Array.prototype.slice.call(arguments, 1), 
+		        fToBind = this, 
+		        fNOP = function () {},
+		        fBound = function () {
+		          return fToBind.apply(this instanceof fNOP && oThis
+		                                 ? this
+		                                 : oThis,
+		                               aArgs.concat(Array.prototype.slice.call(arguments)));
+		        };
+
+		    fNOP.prototype = this.prototype;
+		    fBound.prototype = new fNOP();
+
+		    return fBound;
+		  };
+		}
+
+		if (!Array.prototype.some) {
+		  Array.prototype.some = function(fun /*, thisp */) {
+		    'use strict';
+
+		    if (this == null) {
+		      throw new TypeError();
+		    }
+
+		    var thisp, i,
+		        t = Object(this),
+		        len = t.length >>> 0;
+		    if (typeof fun !== 'function') {
+		      throw new TypeError();
+		    }
+
+		    thisp = arguments[1];
+		    for (i = 0; i < len; i++) {
+		      if (i in t && fun.call(thisp, t[i], i, t)) {
+		        return true;
+		      }
+		    }
+
+		    return false;
+		  };
+		}
+
+		if (!Array.prototype.forEach) {
+		    Array.prototype.forEach = function (fn, scope) {
+		        'use strict';
+		        var i, len;
+		        for (i = 0, len = this.length; i < len; ++i) {
+		            if (i in this) {
+		                fn.call(scope, this[i], i, this);
+		            }
+		        }
+		    };
+		}
+
+		var head = document.getElementsByTagName('head')[0];
+		function appendScript(src) {
+			var s = document.createElement("script");
+    		s.type = "text/javascript";
+    		s.src = src;
+    		head.appendChild(s);
+		}
+
+		if (window.location.href.indexOf("preview=true") == -1) {
+			window.dlSupported = 'download' in document.createElement('a');
+			window.hasFlash = swfobject.hasFlashPlayerVersion(9);
+			if (!dlSupported && window.hasFlash) {
+				appendScript('preview_export/download_assist/downloadify.min.js');
+			}
+		}
+		</script>
+		<script data-main="scripts/amd-app" src="scripts/libs/require.js"></script>
+		<div id="modals">
+		</div>
+	</body>
+</html>
--- a/sources/preview_export/bespoke.html
+++ b/sources/preview_export/bespoke.html
@ -0,0 +1,76 @@
+<html>
+<head>
+	<meta name="viewport" content="width=device-width" />
+	<title>Deck Title</title>
+	<link rel="stylesheet" href="css/themes/default-reset.css"></link>
+	<link rel="stylesheet" type="text/css" href="css/main.css" />
+	<link rel="stylesheet" href="reveal/css/theme/default.css" id="theme">
+	<link rel="stylesheet" type="text/css" href="bespoke/css/demo.css" />
+	<link rel="stylesheet" type="text/css" href="bespoke/css/themes.css" />
+	<link href='../styles/strut.themes/backgroundClasses.css' rel='stylesheet' type='text/css' />
+	<link href='../styles/strut.themes/surfaceClasses.css' rel='stylesheet' type='text/css' />
+
+	<style type="text/css">
+	.componentContainer {
+	    position: absolute;
+	    line-height: normal;
+	    /*-webkit-transform-origin: 135% 135%;
+	    -moz-transform-origin: 135% 135%;
+	    transform-origin: 135% 135%;*/
+	}
+
+	.transformContainer {
+	    -webkit-transform-origin: 0 0;
+	    -moz-transform-origin: 0 0;
+	    transform-origin: 0 0;
+	}
+
+	.bg {
+	    width: 100%;
+	    height: 100%;
+	}
+
+	#themeChooser {
+		position: absolute;
+		z-index: 1;
+		background-color: #EEE;
+		border-radius: 5px;
+		padding: 10px;
+	}
+
+	#main, body {
+		overflow: hidden;
+	}
+
+	.reveal.themedArea {
+	    display: block;
+	    position: absolute;
+	    top: 0px;
+	    left: 0px;
+	    z-index: 0;
+	    width: 100%;
+	    height: 100%;
+	}
+	</style>
+
+	<script src="bespoke/scripts/bespoke.js"></script>
+	<script src="bespoke/scripts/bespoke-plugins.js"></script>
+	<script src="scripts/onready.js"></script>
+	<script src="scripts/loadPresentation.js"></script>
+	<script>
+	ready(function() {
+		if (document.getElementById('launched-placeholder'))
+        	loadPresentation();
+		if (!window.presStarted) {
+    		bespoke.horizontal.from('article', {
+    			hash: true,
+    			state: true
+    		});
+		}
+	});
+	</script>
+</head>
+<body>
+	<div id="launched-placeholder"></div>
+</body>
+</html>
--- a/sources/preview_export/bespoke/css/demo.css
+++ b/sources/preview_export/bespoke/css/demo.css
@ -0,0 +1,71 @@
+* {
+	box-sizing: border-box;
+	-webkit-font-smoothing: antialiased;
+	font-smoothing: antialiased;
+	margin: 0;
+	padding: 0;
+}
+
+body {
+	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+    min-height: 740px;
+    
+    background: rgb(215, 215, 215);
+    background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 500, from(rgb(240, 240, 240)), to(rgb(190, 190, 190)));
+    background: -webkit-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:    -moz-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:     -ms-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:      -o-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:         radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190)); 
+}
+
+#main {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+}
+
+article {
+	-webkit-perspective: 600px;
+	-moz-perspective: 600px;
+	-ms-perspective: 600px;
+	-o-perspective: 600px;
+	perspective: 600px;
+	position: absolute;
+	top: 0;
+	right: 0;
+	left: 0;
+	bottom: 0;
+}
+
+section {
+	-webkit-transform: none;
+	-moz-transform: none;
+	-ms-transform: none;
+	-o-transform: none;
+	transform: none;
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	margin-left: -512px;
+	margin-top: -384px;
+	opacity: 0;
+}
+
+body,
+section.bespoke-slide {
+	-webkit-transition: -webkit-transform .7s ease, opacity .7s ease, background-color .7s ease;
+	-moz-transition: -moz-transform .7s ease, opacity .7s ease, background-color .7s ease;
+	-ms-transition: -ms-transform .7s ease, opacity .7s ease, background-color .7s ease;
+	-o-transition: -o-transform .7s ease, opacity .7s ease, background-color .7s ease;
+	transition: transform .7s ease, opacity .7s ease, background-color .7s ease;
+}
+section.bespoke-active {
+	opacity: 1;
+	z-index: 1;
+}
+section.bespoke-inactive {
+	pointer-events: none;
+}
--- a/sources/preview_export/bespoke/css/themes.css
+++ b/sources/preview_export/bespoke/css/themes.css
@ -0,0 +1,362 @@
+/*!
+ * Bespoke.js Demo Themes
+ *
+ * These styles are hard-coded to be pre-processor agnostic.
+ * In reality, you should probably use -prefix-free or LESS / SCSS / Stylus.
+ *
+ * This is only scratching the surfact of what can be done.
+ * Be creative and make something that surprises people! ;)
+ *
+ */
+
+/* Cube Theme */
+.cube {
+	/*background: rgba(86, 174, 231, 0.3);*/
+}
+.cube section,
+.cube .arrow:hover {
+	/*background: rgb(86, 174, 231);*/
+}
+.cube a {
+	color: rgb(86, 174, 231);
+}
+.cube section.bespoke-before {
+	-webkit-transform: translateX(-662px) rotateY(-70deg) translateX(-1304px) rotateY(-110deg) translateX(-1060px);
+	-moz-transform: translateX(-662px) rotateY(-70deg) translateX(-1304px) rotateY(-110deg) translateX(-1060px);
+	-ms-transform: translateX(-662px) rotateY(-70deg) translateX(-1304px) rotateY(-110deg) translateX(-1060px);
+	-o-transform: translateX(-662px) rotateY(-70deg) translateX(-1304px) rotateY(-110deg) translateX(-1060px);
+	transform: translateX(-662px) rotateY(-70deg) translateX(-1304px) rotateY(-110deg) translateX(-1060px);
+}
+.cube section.bespoke-before-1 {
+	-webkit-transform: translateX(-700px) rotateY(-70deg) translateX(-800px);
+	-moz-transform: translateX(-700px) rotateY(-70deg) translateX(-800px);
+	-ms-transform: translateX(-700px) rotateY(-70deg) translateX(-800px);
+	-o-transform: translateX(-700px) rotateY(-70deg) translateX(-800px);
+	transform: translateX(-700px) rotateY(-70deg) translateX(-800px);
+	opacity: 0.5;
+}
+.cube section.bespoke-after {
+	-webkit-transform: translateX(662px) rotateY(70deg) translateX(1304px) rotateY(110deg) translateX(1060px);
+	-moz-transform: translateX(662px) rotateY(70deg) translateX(1304px) rotateY(110deg) translateX(1060px);
+	-ms-transform: translateX(662px) rotateY(70deg) translateX(1304px) rotateY(110deg) translateX(1060px);
+	-o-transform: translateX(662px) rotateY(70deg) translateX(1304px) rotateY(110deg) translateX(1060px);
+	transform: translateX(662px) rotateY(70deg) translateX(1304px) rotateY(110deg) translateX(1060px);
+}
+.cube section.bespoke-after-1 {
+	-webkit-transform: translateX(700px) rotateY(70deg) translateX(800px);
+	-moz-transform: translateX(700px) rotateY(70deg) translateX(800px);
+	-ms-transform: translateX(700px) rotateY(70deg) translateX(800px);
+	-o-transform: translateX(700px) rotateY(70deg) translateX(800px);
+	transform: translateX(700px) rotateY(70deg) translateX(800px);
+	opacity: 0.5;
+}
+
+/* Concave Theme */
+.concave {
+	/*background: rgba(235, 156, 184, 0.3);*/
+}
+.concave section,
+.concave .arrow:hover {
+	/*background: rgb(235, 156, 184);*/
+}
+.concave a {
+	color: rgb(235, 156, 184);
+}
+.concave section.bespoke-before {
+	-webkit-transform: translateX(-800px) rotateY(90deg) translateX(-800px);
+	-moz-transform: translateX(-800px) rotateY(90deg) translateX(-800px);
+	-ms-transform: translateX(-800px) rotateY(90deg) translateX(-800px);
+	-o-transform: translateX(-800px) rotateY(90deg) translateX(-800px);
+	transform: translateX(-800px) rotateY(90deg) translateX(-800px);
+}
+.concave section.bespoke-before-1 {
+	-webkit-transform: translateX(-620px) rotateY(58deg) translateX(-480px);
+	-moz-transform: translateX(-620px) rotateY(58deg) translateX(-480px);
+	-ms-transform: translateX(-620px) rotateY(58deg) translateX(-480px);
+	-o-transform: translateX(-620px) rotateY(58deg) translateX(-480px);
+	transform: translateX(-620px) rotateY(58deg) translateX(-480px);
+	opacity: 0.4
+}
+.concave section.bespoke-after {
+	-webkit-transform: translateX(800px) rotateY(-90deg) translateX(800px);
+	-moz-transform: translateX(800px) rotateY(-90deg) translateX(800px);
+	-ms-transform: translateX(800px) rotateY(-90deg) translateX(800px);
+	-o-transform: translateX(800px) rotateY(-90deg) translateX(800px);
+	transform: translateX(800px) rotateY(-90deg) translateX(800px);
+}
+.concave section.bespoke-after-1 {
+	-webkit-transform: translateX(620px) rotateY(-58deg) translateX(480px);
+	-moz-transform: translateX(620px) rotateY(-58deg) translateX(480px);
+	-ms-transform: translateX(620px) rotateY(-58deg) translateX(480px);
+	-o-transform: translateX(620px) rotateY(-58deg) translateX(480px);
+	transform: translateX(620px) rotateY(-58deg) translateX(480px);
+	opacity: 0.4
+}
+
+/* Coverflow Theme */
+.coverflow {
+	/*background: rgba(42, 206, 185, 0.2);*/
+}
+.coverflow section,
+.coverflow .arrow:hover {
+	/*background: rgb(42, 206, 185);*/
+}
+.coverflow a {
+	color: rgb(42, 206, 185);
+}
+.coverflow section.bespoke-before {
+	-webkit-transform: translateX(-270px) rotateY(45deg) scale(0.6);
+	-moz-transform: translateX(-270px) rotateY(45deg) scale(0.6);
+	-ms-transform: translateX(-270px) rotateY(45deg) scale(0.6);
+	-o-transform: translateX(-270px) rotateY(45deg) scale(0.6);
+	transform: translateX(-270px) rotateY(45deg) scale(0.6);
+	z-index: 6;
+}
+.coverflow section.bespoke-before-3 {
+	-webkit-transform: translateX(-230px) rotateY(45deg) scale(0.6);
+	-moz-transform: translateX(-230px) rotateY(45deg) scale(0.6);
+	-ms-transform: translateX(-230px) rotateY(45deg) scale(0.6);
+	-o-transform: translateX(-230px) rotateY(45deg) scale(0.6);
+	transform: translateX(-230px) rotateY(45deg) scale(0.6);
+	opacity: 0.1;
+	z-index: 7;
+}
+.coverflow section.bespoke-before-2 {
+	-webkit-transform: translateX(-190px) rotateY(45deg) scale(0.6);
+	-moz-transform: translateX(-190px) rotateY(45deg) scale(0.6);
+	-ms-transform: translateX(-190px) rotateY(45deg) scale(0.6);
+	-o-transform: translateX(-190px) rotateY(45deg) scale(0.6);
+	transform: translateX(-190px) rotateY(45deg) scale(0.6);
+	opacity: 0.2;
+	z-index: 8;
+}
+.coverflow section.bespoke-before-1 {
+	-webkit-transform: translateX(-150px) rotateY(45deg) scale(0.6);
+	-moz-transform: translateX(-150px) rotateY(45deg) scale(0.6);
+	-ms-transform: translateX(-150px) rotateY(45deg) scale(0.6);
+	-o-transform: translateX(-150px) rotateY(45deg) scale(0.6);
+	transform: translateX(-150px) rotateY(45deg) scale(0.6);
+	opacity: 0.3;
+	z-index: 9;
+}
+.coverflow section.bespoke-active {
+	z-index: 10;
+}
+.coverflow section.bespoke-after {
+	-webkit-transform: translateX(270px) rotateY(-45deg) scale(0.6);
+	-moz-transform: translateX(270px) rotateY(-45deg) scale(0.6);
+	-ms-transform: translateX(270px) rotateY(-45deg) scale(0.6);
+	-o-transform: translateX(270px) rotateY(-45deg) scale(0.6);
+	transform: translateX(270px) rotateY(-45deg) scale(0.6);
+	z-index: 6;
+}
+.coverflow section.bespoke-after-1 {
+	-webkit-transform: translateX(150px) rotateY(-45deg) scale(0.6);
+	-moz-transform: translateX(150px) rotateY(-45deg) scale(0.6);
+	-ms-transform: translateX(150px) rotateY(-45deg) scale(0.6);
+	-o-transform: translateX(150px) rotateY(-45deg) scale(0.6);
+	transform: translateX(150px) rotateY(-45deg) scale(0.6);
+	opacity: 0.3;
+	z-index: 9;
+}
+.coverflow section.bespoke-after-2 {
+	-webkit-transform: translateX(190px) rotateY(-45deg) scale(0.6);
+	-moz-transform: translateX(190px) rotateY(-45deg) scale(0.6);
+	-ms-transform: translateX(190px) rotateY(-45deg) scale(0.6);
+	-o-transform: translateX(190px) rotateY(-45deg) scale(0.6);
+	transform: translateX(190px) rotateY(-45deg) scale(0.6);
+	opacity: 0.2;
+	z-index: 8;
+}
+.coverflow section.bespoke-after-3 {
+	-webkit-transform: translateX(230px) rotateY(-45deg) scale(0.6);
+	-moz-transform: translateX(230px) rotateY(-45deg) scale(0.6);
+	-ms-transform: translateX(230px) rotateY(-45deg) scale(0.6);
+	-o-transform: translateX(230px) rotateY(-45deg) scale(0.6);
+	transform: translateX(230px) rotateY(-45deg) scale(0.6);
+	opacity: 0.1;
+	z-index: 7;
+}
+
+/* Classic Theme */
+.classic {
+	/*background: rgba(243, 111, 86, 0.2);*/
+}
+.classic section,
+.classic .arrow:hover {
+/*	background: rgb(243, 111, 86);*/
+}
+.classic a {
+	color: rgb(243, 111, 86);
+}
+.classic section.bespoke-before {
+	-webkit-transform: translate3d(-4000px, 0, 0);
+	-moz-transform: translate3d(-4000px, 0, 0);
+	-ms-transform: translate3d(-4000px, 0, 0);
+	-o-transform: translate3d(-4000px, 0, 0);
+	transform: translate3d(-4000px, 0, 0);
+}
+.classic section.bespoke-before-2 {
+	-webkit-transform: translate3d(-2088px, 0, 0);
+	-moz-transform: translate3d(-2088px, 0, 0);
+	-ms-transform: translate3d(-2088px, 0, 0);
+	-o-transform: translate3d(-2088px, 0, 0);
+	transform: translate3d(-2088px, 0, 0);
+	opacity: 0.1;
+}
+.classic section.bespoke-before-1 {
+	-webkit-transform: translate3d(-1044px, 0, 0);
+	-moz-transform: translate3d(-1044px, 0, 0);
+	-ms-transform: translate3d(-1044px, 0, 0);
+	-o-transform: translate3d(-1044px, 0, 0);
+	transform: translate3d(-1044px, 0, 0);
+	opacity: 0.3;
+}
+.classic section.bespoke-after {
+	-webkit-transform: translate3d(4000px, 0, 0);
+	-moz-transform: translate3d(4000px, 0, 0);
+	-ms-transform: translate3d(4000px, 0, 0);
+	-o-transform: translate3d(4000px, 0, 0);
+	transform: translate3d(4000px, 0, 0);
+}
+.classic section.bespoke-after-2 {
+	-webkit-transform: translate3d(2088px, 0, 0);
+	-moz-transform: translate3d(2088px, 0, 0);
+	-ms-transform: translate3d(2088px, 0, 0);
+	-o-transform: translate3d(2088px, 0, 0);
+	transform: translate3d(2088px, 0, 0);
+	opacity: 0.1;
+}
+.classic section.bespoke-after-1 {
+	-webkit-transform: translate3d(1044px, 0, 0);
+	-moz-transform: translate3d(1044px, 0, 0);
+	-ms-transform: translate3d(1044px, 0, 0);
+	-o-transform: translate3d(1044px, 0, 0);
+	transform: translate3d(1044px, 0, 0);
+	opacity: 0.3;
+}
+
+/* Carousel Theme */
+.carousel {
+	/*background: rgba(121, 255, 0, 0.2);*/
+}
+.carousel section,
+.carousel .arrow:hover {
+	/*background: rgb(131, 199, 69);*/
+}
+.carousel a {
+	color: rgb(131, 199, 69);
+}
+.carousel section.bespoke-before {
+	-webkit-transform: translateX(-1960px) rotateY(-72deg) translateX(-1580px);
+	-moz-transform: translateX(-1960px) rotateY(-72deg) translateX(-1580px);
+	-ms-transform: translateX(-1960px) rotateY(-72deg) translateX(-1580px);
+	-o-transform: translateX(-1960px) rotateY(-72deg) translateX(-1580px);
+	transform: translateX(-1960px) rotateY(-72deg) translateX(-1580px);
+	opacity: 0;
+}
+.carousel section.bespoke-before-2 {
+	-webkit-transform: translateX(-1180px) rotateY(-52deg) translateX(-1560px);
+	-moz-transform: translateX(-1180px) rotateY(-52deg) translateX(-1560px);
+	-ms-transform: translateX(-1180px) rotateY(-52deg) translateX(-1560px);
+	-o-transform: translateX(-1180px) rotateY(-52deg) translateX(-1560px);
+	transform: translateX(-1180px) rotateY(-52deg) translateX(-1560px);
+	opacity: 0.3;
+}
+.carousel section.bespoke-before-1 {
+	-webkit-transform: translateX(-520px) rotateY(-30deg) translateX(-540px);
+	-moz-transform: translateX(-520px) rotateY(-30deg) translateX(-540px);
+	-ms-transform: translateX(-520px) rotateY(-30deg) translateX(-540px);
+	-o-transform: translateX(-520px) rotateY(-30deg) translateX(-540px);
+	transform: translateX(-520px) rotateY(-30deg) translateX(-540px);
+	opacity: 0.5;
+}
+.carousel section.bespoke-after {
+	-webkit-transform: translateX(1960px) rotateY(72deg) translateX(1580px);
+	-moz-transform: translateX(1960px) rotateY(72deg) translateX(1580px);
+	-ms-transform: translateX(1960px) rotateY(72deg) translateX(1580px);
+	-o-transform: translateX(1960px) rotateY(72deg) translateX(1580px);
+	transform: translateX(1960px) rotateY(72deg) translateX(1580px);
+	opacity: 0;
+}
+.carousel section.bespoke-after-1 {
+	-webkit-transform: translateX(520px) rotateY(30deg) translateX(540px);
+	-moz-transform: translateX(520px) rotateY(30deg) translateX(540px);
+	-ms-transform: translateX(520px) rotateY(30deg) translateX(540px);
+	-o-transform: translateX(520px) rotateY(30deg) translateX(540px);
+	transform: translateX(520px) rotateY(30deg) translateX(540px);
+	opacity: 0.5;
+}
+.carousel section.bespoke-after-2 {
+	-webkit-transform: translateX(1180px) rotateY(52deg) translateX(1560px);
+	-moz-transform: translateX(1180px) rotateY(52deg) translateX(1560px);
+	-ms-transform: translateX(1180px) rotateY(52deg) translateX(1560px);
+	-o-transform: translateX(1180px) rotateY(52deg) translateX(1560px);
+	transform: translateX(1180px) rotateY(52deg) translateX(1560px);
+	opacity: 0.3;
+}
+
+.cubeb section.bespoke-slide {
+	-o-transform-origin: 50% 50% -512px;
+	-ms-transform-origin: 50% 50% -512px;
+	-moz-transform-origin: 50% 50% -512px;
+	-webkit-transform-origin: 50% 50% -512px;
+	transform-origin: 50% 50% -512px;
+}
+
+.cubeb section {
+	-o-backface-visibility: hidden;
+	-ms-backface-visibility: hidden;
+	-moz-backface-visibility: hidden;
+	-webkit-backface-visibility: hidden;
+	backface-visibility: hidden;
+}
+
+.cubeb section.bespoke-before {
+	-o-transform: rotateY(-90deg);
+	-ms-transform: rotateY(-90deg);
+	-moz-transform: rotateY(-90deg);
+	-webkit-transform: rotateY(-90deg);
+	transform: rotateY(-90deg);
+}
+
+.cubeb section.bespoke-after {
+	-o-transform: rotateY(90deg);
+	-ms-transform: rotateY(90deg);
+	-moz-transform: rotateY(90deg);
+	-webkit-transform: rotateY(90deg);
+	transform: rotateY(90deg);
+}
+
+.cards section.bespoke-before {
+	-moz-transform: translateZ(40px) rotateY(-60deg) translateX(-400px) rotateZ(120deg);
+	-ms-transform: translateZ(40px) rotateY(-60deg) translateX(-400px) rotateZ(120deg);
+	-o-transform: translateZ(40px) rotateY(-60deg) translateX(-400px) rotateZ(120deg);
+	-webkit-transform: translateZ(40px) rotateY(-60deg) translateX(-400px) rotateZ(120deg);
+	transform: translateZ(40px) rotateY(-60deg) translateX(-400px) rotateZ(120deg);
+}
+
+.cards section.bespoke-slide {
+	-o-transform-origin: 0 100% 0;
+	-ms-transform-origin: 0 100% 0;
+	-moz-transform-origin: 0 100% 0;
+	-webkit-transform-origin: 0 100% 0;
+	transform-origin: 0 100% 0;
+}
+
+.cards section.bespoke-active {
+	opacity: 1;
+}
+
+.cards section.bespoke-inactive {
+	opacity: 0;
+}
+
+.cards section.bespoke-after {
+	-o-transform: translate3d(50px, 0, -100px);
+	-ms-transform: translate3d(50px, 0, -100px);
+	-moz-transform: translate3d(50px, 0, -100px);
+	-webkit-transform: translate3d(50px, 0, -100px);
+	transform: translate3d(50px, 0, -100px);
+}
+
--- a/sources/preview_export/bespoke/scripts/bespoke-plugins.js
+++ b/sources/preview_export/bespoke/scripts/bespoke-plugins.js
@ -0,0 +1,75 @@
+/*!
+ * bespoke-hash v0.1.2
+ *
+ * Copyright 2013, Mark Dalgleish
+ * This content is released under the MIT license
+ * http://mit-license.org/markdalgleish
+ */
+
+(function(bespoke) {
+
+	bespoke.plugins.hash = function(deck) {
+		var activeIndex,
+
+			parseHash = function() {
+				var hash = window.location.hash.slice(1),
+					slideNumberOrName = parseInt(hash, 10);
+
+				if (hash) {
+					if (slideNumberOrName) {
+						activateSlide(slideNumberOrName - 1);
+					} else {
+						deck.slides.forEach(function(slide, i) {
+							slide.getAttribute('data-bespoke-hash') === hash && activateSlide(i);
+						});
+					}
+				}
+			},
+
+			activateSlide = function(index) {
+				if (index !== activeIndex) {
+					deck.slide(index);
+				}
+			};
+
+		setTimeout(function() {
+			parseHash();
+
+			deck.on('activate', function(e) {
+				var slideName = e.slide.getAttribute('data-bespoke-hash');
+				window.location.hash = slideName || e.index + 1;
+				activeIndex = e.index;
+			});
+
+			window.addEventListener('hashchange', parseHash);
+		}, 0);
+	};
+
+}(bespoke));
+
+/*!
+ * bespoke-state v0.2.2
+ *
+ * Copyright 2013, Mark Dalgleish
+ * This content is released under the MIT license
+ * http://mit-license.org/markdalgleish
+ */
+
+(function(bespoke) {
+
+	bespoke.plugins.state = function(deck) {
+		var modifyState = function(method, event) {
+			var attr = event.slide.getAttribute('data-bespoke-state');
+
+			if (attr) {
+				attr.split(' ').forEach(function(state) {
+					state && deck.parent.classList[method](state);
+				});
+			}
+		};
+
+		deck.on('activate', modifyState.bind(null, 'add'));
+		deck.on('deactivate', modifyState.bind(null, 'remove'));
+	};
+
+}(bespoke));
--- a/sources/preview_export/bespoke/scripts/bespoke.js
+++ b/sources/preview_export/bespoke/scripts/bespoke.js
@ -0,0 +1,187 @@
+/*!
+ * Bespoke.js v0.3.1
+ *
+ * Copyright 2013, Mark Dalgleish
+ * This content is released under the MIT license
+ * http://mit-license.org/markdalgleish
+ */
+
+(function(moduleName, window) {
+	var from = function(selectorOrElement, selectedPlugins) {
+			var parent = selectorOrElement.blur ? selectorOrElement : document.querySelector(selectorOrElement),
+				slides = [].slice.call(parent.children, 0),
+				activeSlide = slides[0],
+				listeners = {},
+
+				activate = function(index, customData) {
+					if (!slides[index]) {
+						return;
+					}
+
+					fire('deactivate', createEventData(activeSlide, customData));
+
+					activeSlide = slides[index];
+
+					slides.map(deactivate);
+
+					fire('activate', createEventData(activeSlide, customData));
+
+					addClass(activeSlide, 'active');
+					removeClass(activeSlide, 'inactive');
+				},
+
+				deactivate = function(slide, index) {
+					var offset = index - slides.indexOf(activeSlide),
+						offsetClass = offset > 0 ? 'after' : 'before';
+
+					['before(-\\d+)?', 'after(-\\d+)?', 'active', 'inactive'].map(removeClass.bind(0, slide));
+
+					slide != activeSlide &&
+						['inactive', offsetClass, offsetClass + '-' + Math.abs(offset)].map(addClass.bind(0, slide));
+				},
+
+				slide = function(index, customData) {
+					fire('slide', createEventData(slides[index], customData)) && activate(index, customData);
+				},
+
+				step = function(offset, customData) {
+					var slideIndex = slides.indexOf(activeSlide) + offset;
+
+					fire(offset > 0 ? 'next' : 'prev', createEventData(activeSlide, customData)) && activate(slideIndex, customData);
+				},
+
+				on = function(eventName, callback) {
+					(listeners[eventName] || (listeners[eventName] = [])).push(callback);
+
+					return function() {
+						listeners[eventName] = listeners[eventName].filter(function(listener) {
+							return listener != callback;
+						});
+					};
+				},
+
+				fire = function(eventName, eventData) {
+					return (listeners[eventName] || [])
+						.reduce(function(notCancelled, callback) {
+							return notCancelled && callback(eventData) !== false;
+						}, true);
+				},
+
+				createEventData = function(slide, eventData) {
+					eventData = eventData || {};
+					eventData.index = slides.indexOf(slide);
+					eventData.slide = slide;
+					return eventData;
+				},
+
+				deck = {
+					on: on,
+					fire: fire,
+					slide: slide,
+					next: step.bind(0, 1),
+					prev: step.bind(0, -1),
+					parent: parent,
+					slides: slides
+				};
+
+			addClass(parent, 'parent');
+
+			slides.map(function(slide) {
+				addClass(slide, 'slide');
+			});
+
+			for (var pluginName in selectedPlugins) {
+				plugins[pluginName](deck, selectedPlugins[pluginName]);
+			}
+
+			activate(0);
+
+			decks.push(deck);
+
+			return deck;
+		},
+
+		decks = [],
+
+		addClass = function(el, cls) {
+			el.classList.add(moduleName + '-' + cls);
+		},
+
+		removeClass = function(el, cls) {
+			el.className = el.className
+				.replace(RegExp(moduleName + '-' + cls +'(\\s|$)', 'g'), ' ')
+				.trim();
+		},
+
+		callOnAllDecks = function(method) {
+			return function(arg) {
+				decks.map(function(deck) {
+					deck[method](arg);
+				});
+			};
+		},
+
+		bindPlugin = function(pluginName) {
+			return {
+				from: function(selectorOrElement, selectedPlugins) {
+					(selectedPlugins = selectedPlugins || {})[pluginName] = true;
+					return from(selectorOrElement, selectedPlugins);
+				}
+			};
+		},
+
+		makePluginForAxis = function(axis) {
+			return function(deck) {
+				var startPosition,
+					delta;
+
+				document.addEventListener('keydown', function(e) {
+					(
+						e.which == 34 || // PAGE DOWN
+						e.which == 32 || // SPACE
+						axis == 'X' && e.which == 39 || // RIGHT
+						axis == 'Y' && e.which == 40 // BOTTOM
+					) && deck.next();
+					(
+						e.which == 33 || // PAGE UP
+						axis == 'X' && e.which == 37 || // LEFT
+						axis == 'Y' && e.which == 38 // TOP
+					) && deck.prev();
+				});
+
+				deck.parent.addEventListener('touchstart', function(e) {
+					if (e.touches.length == 1) {
+						startPosition = e.touches[0]['page' + axis];
+						delta = 0;
+					}
+				});
+
+				deck.parent.addEventListener('touchmove', function(e) {
+					if (e.touches.length == 1) {
+						e.preventDefault();
+						delta = e.touches[0]['page' + axis] - startPosition;
+					}
+				});
+
+				deck.parent.addEventListener('touchend', function() {
+					Math.abs(delta) > 50 && (delta > 0 ? deck.prev() : deck.next());
+				});
+			};
+		},
+
+		plugins = {
+			horizontal: makePluginForAxis('X'),
+			vertical: makePluginForAxis('Y')
+		};
+
+	window[moduleName] = {
+		from: from,
+		slide: callOnAllDecks('slide'),
+		next: callOnAllDecks('next'),
+		prev: callOnAllDecks('prev'),
+		horizontal: bindPlugin('horizontal'),
+		vertical: bindPlugin('vertical'),
+		plugins: plugins
+	};
+
+}('bespoke', window));
--- a/sources/preview_export/css/AbrilFatface-Regular.woff
+++ b/sources/preview_export/css/AbrilFatface-Regular.woff
--- a/sources/preview_export/css/Droid-Sans-Mono.woff
+++ b/sources/preview_export/css/Droid-Sans-Mono.woff
--- a/sources/preview_export/css/FredokaOne-Regular.woff
+++ b/sources/preview_export/css/FredokaOne-Regular.woff
--- a/sources/preview_export/css/Gorditas-Regular.woff
+++ b/sources/preview_export/css/Gorditas-Regular.woff
--- a/sources/preview_export/css/HammersmithOne.woff
+++ b/sources/preview_export/css/HammersmithOne.woff
--- a/sources/preview_export/css/Lato-Bold.woff
+++ b/sources/preview_export/css/Lato-Bold.woff
--- a/sources/preview_export/css/Lato-BoldItalic.woff
+++ b/sources/preview_export/css/Lato-BoldItalic.woff
--- a/sources/preview_export/css/Lato-Regular.woff
+++ b/sources/preview_export/css/Lato-Regular.woff
--- a/sources/preview_export/css/PressStart2P-Regular.woff
+++ b/sources/preview_export/css/PressStart2P-Regular.woff
--- a/sources/preview_export/css/README.txt
+++ b/sources/preview_export/css/README.txt
@ -0,0 +1,4 @@
+When adding fonts:
+1. Reference them in web-fonts.css
+2. Add the image hack for the given font to ImpressTemplate.bar (GH-43)
+3. Add the base-64 version of the font to preview_export/base64/fonts
--- a/sources/preview_export/css/Ubuntu-Bold.woff
+++ b/sources/preview_export/css/Ubuntu-Bold.woff
--- a/sources/preview_export/css/Ubuntu.woff
+++ b/sources/preview_export/css/Ubuntu.woff
--- a/sources/preview_export/css/main.css
+++ b/sources/preview_export/css/main.css
@ -0,0 +1,342 @@
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, img, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var, u, i, center,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td,
+article, aside, canvas, details, embed, 
+figure, figcaption, footer, header, hgroup, 
+menu, nav, output, ruby, section, summary,
+time, mark, audio, video {
+    margin: 0;
+    padding: 0;
+    border: 0;
+    font-size: 100%;
+    font: inherit;
+    vertical-align: baseline;
+}
+
+/* HTML5 display-role reset for older browsers */
+article, aside, details, figcaption, figure, 
+footer, header, hgroup, menu, nav, section {
+    display: block;
+}
+
+body {
+    line-height: 1;
+}
+
+ol, ul {
+    /*list-style: none;*/
+}
+blockquote, q {
+    quotes: none;
+}
+blockquote:before, blockquote:after,
+q:before, q:after {
+    content: '';
+    content: none;
+}
+
+table {
+    border-collapse: collapse;
+    border-spacing: 0;
+}
+
+/*.antialias {
+    -webkit-transform: translate3d(0,0,0);
+    -moz-transform: translate3d(0,0,0);
+    transform: translate3d(0,0,0);
+}
+*/
+
+body {
+    min-height: 740px;
+    
+    background: rgb(215, 215, 215);
+    background: -webkit-gradient(radial, 50% 50%, 0, 50% 50%, 500, from(rgb(240, 240, 240)), to(rgb(190, 190, 190)));
+    background: -webkit-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:    -moz-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:     -ms-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:      -o-radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));
+    background:         radial-gradient(rgb(240, 240, 240), rgb(190, 190, 190));    
+}
+
+
+/*
+    Because the main point behind the impress.js demo is to demo impress.js
+    we display a fallback message for users with browsers that don't support
+    all the features required by it.
+    
+    All of the content will be still fully accessible for them, but I want
+    them to know that they are missing something - that's what the demo is
+    about, isn't it?
+    
+    And then we hide the message, when support is detected in the browser.
+*/
+
+.fallback-message {
+    font-family: sans-serif;
+    line-height: 1.3;
+    
+    width: 780px;
+    padding: 10px 10px 0;
+    margin: 20px auto;
+
+    border: 1px solid #E4C652;
+    border-radius: 10px;
+    background: #EEDC94;
+}
+
+.fallback-message p {
+    margin-bottom: 10px;
+}
+
+.impress-supported .fallback-message {
+    display: none;
+}
+
+/*
+    Now let's style the presentation steps.
+    
+    We start with basics to make sure it displays correctly in everywhere ...
+*/
+
+.step {
+    position: relative;
+    /*width: 900px;
+    padding: 40px;*/
+    /*margin: 20px auto;*/
+
+    -webkit-box-sizing: border-box;
+    -moz-box-sizing:    border-box;
+    -ms-box-sizing:     border-box;
+    -o-box-sizing:      border-box;
+    box-sizing:         border-box;
+}
+
+/*
+    ... and we enhance the styles for impress.js.
+    
+    Basically we remove the margin and make inactive steps a little bit transparent.
+*/
+.impress-enabled .step {
+    margin: 0;
+    opacity: 0.3;
+
+    -webkit-transition: opacity 1s;
+    -moz-transition:    opacity 1s;
+    -ms-transition:     opacity 1s;
+    -o-transition:      opacity 1s;
+    transition:         opacity 1s;
+}
+
+.impress-enabled .step.active { opacity: 1 }
+
+
+/*
+    And now we start to style each step separately.
+    
+    I agree that this may be not the most efficient, object-oriented and
+    scalable way of styling, but most of steps have quite a custom look
+    and typography tricks here and there, so they had to be styles separately.
+
+    First is the title step with a big <h1> (no room for padding) and some
+    3D positioning along Z axis.
+*/
+
+
+
+/*
+    The last step is an overview.
+    There is no content in it, so we make sure it's not visible because we want
+    to be able to click on other steps.
+
+*/
+#overview { display: none }
+
+/*
+    We also make other steps visible and give them a pointer cursor using the
+    `impress-on-` class.
+*/
+.impress-on-overview .step {
+    opacity: 1;
+    cursor: pointer;
+}
+
+
+/*
+    Now, when we have all the steps styled let's give users a hint how to navigate
+    around the presentation.
+    
+    The best way to do this would be to use JavaScript, show a delayed hint for a
+    first time users, then hide it and store a status in cookie or localStorage...
+    
+    But I wanted to have some CSS fun and avoid additional scripting...
+    
+    Let me explain it first, so maybe the transition magic will be more readable
+    when you read the code.
+    
+    First of all I wanted the hint to appear only when user is idle for a while.
+    You can't detect the 'idle' state in CSS, but I delayed a appearing of the
+    hint by 5s using transition-delay.
+    
+    You also can't detect in CSS if the user is a first-time visitor, so I had to
+    make an assumption that I'll only show the hint on the first step. And when
+    the step is changed hide the hint, because I can assume that user already
+    knows how to navigate.
+    
+    To summarize it - hint is shown when the user is on the first step for longer
+    than 5 seconds.
+    
+    The other problem I had was caused by the fact that I wanted the hint to fade
+    in and out. It can be easily achieved by transitioning the opacity property.
+    But that also meant that the hint was always on the screen, even if totally 
+    transparent. It covered part of the screen and you couldn't correctly clicked
+    through it.
+    Unfortunately you cannot transition between display `block` and `none` in pure
+    CSS, so I needed a way to not only fade out the hint but also move it out of
+    the screen.
+    
+    I solved this problem by positioning the hint below the bottom of the screen
+    with CSS transform and moving it up to show it. But I also didn't want this move
+    to be visible. I wanted the hint only to fade in and out visually, so I delayed
+    the fade in transition, so it starts when the hint is already in its correct
+    position on the screen.
+    
+    I know, it sounds complicated ... maybe it would be easier with the code?
+*/
+
+.hint {
+    /*
+        We hide the hint until presentation is started and from browsers not supporting
+        impress.js, as they will have a linear scrollable view ...
+    */
+    display: none;
+    
+    /*
+        ... and give it some fixed position and nice styles.
+    */
+    position: fixed;
+    left: 0;
+    right: 0;
+    bottom: 200px;
+    
+    background: rgba(0,0,0,0.5);
+    color: #EEE;
+    text-align: center;
+    
+    font-size: 50px;
+    padding: 20px;
+    
+    z-index: 100;
+    
+    /*
+        By default we don't want the hint to be visible, so we make it transparent ...
+    */
+    opacity: 0;
+    
+    /*
+        ... and position it below the bottom of the screen (relative to it's fixed position)
+    */
+    -webkit-transform: translateY(400px);
+    -moz-transform:    translateY(400px);
+    -ms-transform:     translateY(400px);
+    -o-transform:      translateY(400px);
+    transform:         translateY(400px);
+
+    /*
+        Now let's imagine that the hint is visible and we want to fade it out and move out
+        of the screen.
+        
+        So we define the transition on the opacity property with 1s duration and another
+        transition on transform property delayed by 1s so it will happen after the fade out
+        on opacity finished.
+        
+        This way user will not see the hint moving down.
+    */
+    -webkit-transition: opacity 1s, -webkit-transform 0.5s 1s;
+    -moz-transition:    opacity 1s,    -moz-transform 0.5s 1s;
+    -ms-transition:     opacity 1s,     -ms-transform 0.5s 1s;
+    -o-transition:      opacity 1s,      -o-transform 0.5s 1s;
+    transition:         opacity 1s,         transform 0.5s 1s;
+}
+
+/*
+    Now we 'enable' the hint when presentation is initialized ...
+*/
+.impress-enabled .hint { display: block }
+
+/*
+    ... and we will show it when the first step (with id 'bored') is active.
+*/
+.impress-on-bored .hint {
+    /*
+        We remove the transparency and position the hint in its default fixed
+        position.
+    */
+    opacity: 1;
+    
+    -webkit-transform: translateY(0px);
+    -moz-transform:    translateY(0px);
+    -ms-transform:     translateY(0px);
+    -o-transform:      translateY(0px);
+    transform:         translateY(0px);
+    
+    /*
+        Now for fade in transition we have the oposite situation from the one
+        above.
+        
+        First after 4.5s delay we animate the transform property to move the hint
+        into its correct position and after that we fade it in with opacity 
+        transition.
+    */
+    -webkit-transition: opacity 1s 5s, -webkit-transform 0.5s 4.5s;
+    -moz-transition:    opacity 1s 5s,    -moz-transform 0.5s 4.5s;
+    -ms-transition:     opacity 1s 5s,     -ms-transform 0.5s 4.5s;
+    -o-transition:      opacity 1s 5s,      -o-transform 0.5s 4.5s;
+    transition:         opacity 1s 5s,         transform 0.5s 4.5s;
+}
+
+/*
+    And as the last thing there is a workaround for quite strange bug.
+    It happens a lot in Chrome. I don't remember if I've seen it in Firefox.
+    
+    Sometimes the element positioned in 3D (especially when it's moved back
+    along Z axis) is not clickable, because it falls 'behind' the <body>
+    element.
+    
+    To prevent this, I decided to make <body> non clickable by setting 
+    pointer-events property to `none` value.
+    Value if this property is inherited, so to make everything else clickable
+    I bring it back on the #impress element.
+    
+    If you want to know more about `pointer-events` here are some docs:
+    https://developer.mozilla.org/en/CSS/pointer-events
+    
+    There is one very important thing to notice about this workaround - it makes
+    everything 'unclickable' except what's in #impress element.
+    
+    So use it wisely ... or don't use at all.
+*/
+.impress-enabled          { pointer-events: none }
+.impress-enabled #impress { pointer-events: auto }
+
+/*
+    There is one funny thing I just realized.
+    
+    Thanks to this workaround above everything except #impress element is invisible
+    for click events. That means that the hint element is also not clickable.
+    So basically all of this transforms and delayed transitions trickery was probably
+    not needed at all...
+    
+    But it was fun to learn about it, wasn't it?
+*/
+
+/*
+    That's all I have for you in this file.
+    Thanks for reading. I hope you enjoyed it at least as much as I enjoyed writing it
+    for you.
+*/
--- a/sources/preview_export/css/themes/default-reset.css
+++ b/sources/preview_export/css/themes/default-reset.css
@ -0,0 +1,243 @@
+.themedArea div, .themedArea span, .themedArea applet, .themedArea object, .themedArea iframe,
+.themedArea h1, .themedArea h2, .themedArea h3, .themedArea h4, .themedArea h5, .themedArea h6, .themedArea p, .themedArea blockquote, .themedArea pre,
+.themedArea a, .themedArea abbr, .themedArea acronym, .themedArea address, .themedArea big, .themedArea cite, .themedArea code,
+.themedArea del, .themedArea dfn, .themedArea em, .themedArea img, .themedArea ins, .themedArea kbd, .themedArea q, .themedArea s, .themedArea samp,
+.themedArea small, .themedArea strike, .themedArea strong, .themedArea sub, .themedArea sup, .themedArea tt, .themedArea var,
+.themedArea b, .themedArea u, .themedArea i, .themedArea center,
+.themedArea dl, .themedArea dt, .themedArea dd, .themedArea ol, .themedArea ul, .themedArea li,
+.themedArea fieldset, .themedArea form, .themedArea label, .themedArea legend,
+.themedArea table, .themedArea caption, .themedArea tbody, .themedArea tfoot, .themedArea thead, .themedArea tr, .themedArea th, .themedArea td,
+.themedArea article, .themedArea aside, .themedArea canvas, .themedArea details, .themedArea embed,
+.themedArea figure, .themedArea figcaption, .themedArea footer, .themedArea header, .themedArea hgroup,
+.themedArea menu, .themedArea nav, .themedArea output, .themedArea ruby, .themedArea section, .themedArea summary,
+.themedArea time, .themedArea mark, .themedArea audio, video {
+	margin: 0;
+	padding: 0;
+	border: 0;
+	font-size: 100%;
+	font: inherit;
+	vertical-align: baseline;
+}
+
+.themedArea article, .themedArea aside, .themedArea details, .themedArea figcaption, .themedArea figure,
+.themedArea footer, .themedArea header, .themedArea hgroup, .themedArea menu, .themedArea nav, .themedArea section {
+	display: block;
+}
+
+.themedArea h1,
+.themedArea h2,
+.themedArea h3,
+.themedArea h4,
+.themedArea h5,
+.themedArea h6 {
+	-webkit-hyphens: auto;
+	   -moz-hyphens: auto;
+	        hyphens: auto;
+
+	word-wrap: break-word;
+	line-height: 1;
+}
+
+.themedArea h1 { font-size: 3.77em; }
+.themedArea h2 { font-size: 2.11em;	}
+.themedArea h3 { font-size: 1.55em;	}
+.themedArea h4 { font-size: 1em; }
+
+/* Fixes issue in Chrome where italic fonts did not appear when printing to PDF */
+.themedArea:after {
+  content: '';
+  font-style: italic;
+}
+
+.themedArea iframe {
+	z-index: 1;
+}
+
+/** Prevents layering issues in certain browser/transition combinations */
+.themedArea a {
+	position: relative;
+}
+
+.themedArea strong,
+.themedArea b {
+	font-weight: bold;
+}
+
+.themedArea em,
+.themedArea i {
+	font-style: italic;
+}
+
+.themedArea ol,
+.themedArea ul {
+	display: inline-block;
+
+	text-align: left;
+	margin: 0 0 0 1em;
+}
+
+.themedArea ol {
+	list-style-type: decimal;
+}
+
+.themedArea ul {
+	list-style-type: disc;
+}
+
+.themedArea ul ul {
+	list-style-type: square;
+}
+
+.themedArea ul ul ul {
+	list-style-type: circle;
+}
+
+.themedArea ul ul,
+.themedArea ul ol,
+.themedArea ol ol,
+.themedArea ol ul {
+	display: block;
+	margin-left: 40px;
+}
+
+.themedArea p {
+	margin-bottom: 10px;
+	line-height: 1.2em;
+}
+
+.themedArea q,
+.themedArea blockquote {
+	quotes: none;
+}
+
+.themedArea blockquote {
+	display: block;
+	position: relative;
+	width: 70%;
+	margin: 5px auto;
+	padding: 5px;
+
+	font-style: italic;
+	background: rgba(255, 255, 255, 0.05);
+	box-shadow: 0px 0px 2px rgba(0,0,0,0.2);
+}
+.themedArea blockquote p:first-child,
+.themedArea blockquote p:last-child {
+	display: inline-block;
+}
+
+.themedArea q {
+	font-style: italic;
+}
+
+.themedArea pre {
+	display: block;
+	position: relative;
+	width: 90%;
+	margin: 15px auto;
+
+	text-align: left;
+	font-size: 0.55em;
+	font-family: monospace;
+	line-height: 1.2em;
+
+	word-wrap: break-word;
+
+	box-shadow: 0px 0px 6px rgba(0,0,0,0.3);
+}
+.themedArea code {
+	font-family: monospace;
+}
+.themedArea pre code {
+	padding: 5px;
+	overflow: auto;
+	max-height: 400px;
+	word-wrap: normal;
+}
+.themedArea pre.stretch code {
+	height: 100%;
+	max-height: 100%;
+
+	-webkit-box-sizing: border-box;
+	   -moz-box-sizing: border-box;
+	        box-sizing: border-box;
+}
+
+.themedArea table th,
+.themedArea table td {
+	text-align: left;
+	padding-right: .3em;
+}
+
+.themedArea table th {
+	text-shadow: rgb(255,255,255) 1px 1px 2px;
+}
+
+.themedArea sup {
+	vertical-align: super;
+}
+.themedArea sub {
+	vertical-align: sub;
+}
+
+.themedArea small {
+	display: inline-block;
+	font-size: 0.6em;
+	line-height: 1.2em;
+	vertical-align: top;
+}
+
+.themedArea small * {
+	vertical-align: top;
+}
+
+.themedArea .stretch {
+	max-width: none;
+	max-height: none;
+}
+
+.themedArea {
+	text-align: center;
+	padding: 20px 0px 0px;
+	line-height: 1.2em;
+	font-weight: normal;
+}
+
+/*.strut-surface::before, .strut-surface::after {
+  display: block;
+  position: absolute;
+  background-size: cover;
+  background-position: center;
+  background-repeat: no-repeat;
+  content: "";
+  -webkit-filter: grayscale(0.3) brightness(0.3);
+  -moz-filter: grayscale(0.3) brightness(0.3);
+  filter: grayscale(0.3) brightness(0.3);
+}
+
+.strut-surface::after {
+  z-index: 1;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}*/
+
+.strut-surface, .innerBg {
+	background-size: cover;
+	background-position: center;
+  	background-repeat: no-repeat;
+}
+
+.slideContainer {
+	background-size: cover;
+	background-position: center;
+  	background-repeat: no-repeat;
+}
+
+.innerBg {
+	-webkit-transition: background-color .8s ease;
+	-moz-transition: background-color .8s ease;
+	-ms-transition: background-color .8s ease;
+	transition: background-color .8s ease;
+}
--- a/sources/preview_export/css/web-fonts.css
+++ b/sources/preview_export/css/web-fonts.css
@ -0,0 +1,66 @@
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(Lato-Bold.woff) format('woff');
+}
+@font-face {
+  font-family: 'Hammersmith One';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Hammersmith One'), local('HammersmithOne'), url(HammersmithOne.woff) format('woff');
+}
+@font-face {
+  font-family: 'Gorditas';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Gorditas'), local('Gorditas-Regular'), url(Gorditas-Regular.woff) format('woff');
+}
+@font-face {
+  font-family: 'Fredoka One';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Fredoka One'), local('FredokaOne-Regular'), url(FredokaOne-Regular.woff) format('woff');
+}
+@font-face {
+  font-family: 'Ubuntu';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Ubuntu'), url(Ubuntu.woff) format('woff');
+}
+@font-face {
+  font-family: 'Ubuntu';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Ubuntu Bold'), local('Ubuntu-Bold'), url(Ubuntu-Bold.woff) format('woff');
+}
+@font-face {
+  font-family: 'Press Start 2P';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Press Start 2P'), local('PressStart2P-Regular'), url(PressStart2P-Regular.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(Lato-BoldItalic.woff) format('woff');
+}
+@font-face {
+  font-family: 'Abril Fatface';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Abril Fatface'), local('AbrilFatface-Regular'), url(AbrilFatface-Regular.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(Lato-Regular.woff) format('woff');
+}
+@font-face {
+    font-family: 'Droid Sans Mono';
+    font-style: normal;
+    font-weight: 700;
+    src: local('Droid Sans Mono'), local('Droid-Sans-Mono'), url(Droid-Sans-Mono.woff) format('woff');
+}
--- a/sources/preview_export/download_assist/download.png
+++ b/sources/preview_export/download_assist/download.png
--- a/sources/preview_export/download_assist/downloadify.min.js
+++ b/sources/preview_export/download_assist/downloadify.min.js
@ -0,0 +1,3 @@
+/* Downloadify 0.2 (c) 2009 by Douglas Neiner. Licensed under the MIT license */
+/* See http://github.com/dcneiner/Downloadify for license and more info */
+(function(){Downloadify=window.Downloadify={queue:{},uid:new Date().getTime(),getTextForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getData();return""},getFileNameForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getFilename();return""},getDataTypeForSave:function(a){var b=Downloadify.queue[a];if(b)return b.getDataType();return""},saveComplete:function(a){var b=Downloadify.queue[a];if(b)b.complete();return true},saveCancel:function(a){var b=Downloadify.queue[a];if(b)b.cancel();return true},saveError:function(a){var b=Downloadify.queue[a];if(b)b.error();return true},addToQueue:function(a){Downloadify.queue[a.queue_name]=a},getUID:function(a){if(a.id=="")a.id='downloadify_'+Downloadify.uid++;return a.id}};Downloadify.create=function(a,b){var c=(typeof(a)=="string"?document.getElementById(a):a);return new Downloadify.Container(c,b)};Downloadify.Container=function(d,e){var f=this;f.el=d;f.enabled=true;f.dataCallback=null;f.filenameCallback=null;f.data=null;f.filename=null;var g=function(){f.options=e;if(!f.options.append)f.el.innerHTML="";f.flashContainer=document.createElement('span');f.el.appendChild(f.flashContainer);f.queue_name=Downloadify.getUID(f.flashContainer);if(typeof(f.options.filename)==="function")f.filenameCallback=f.options.filename;else if(f.options.filename)f.filename=f.options.filename;if(typeof(f.options.data)==="function")f.dataCallback=f.options.data;else if(f.options.data)f.data=f.options.data;var a={queue_name:f.queue_name,width:f.options.width,height:f.options.height};var b={allowScriptAccess:'always'};var c={id:f.flashContainer.id,name:f.flashContainer.id};if(f.options.enabled===false)f.enabled=false;if(f.options.transparent===true)b.wmode="transparent";if(f.options.downloadImage)a.downloadImage=f.options.downloadImage;swfobject.embedSWF(f.options.swf,f.flashContainer.id,f.options.width,f.options.height,"10",null,a,b,c);Downloadify.addToQueue(f)};f.enable=function(){var a=document.getElementById(f.flashContainer.id);a.setEnabled(true);f.enabled=true};f.disable=function(){var a=document.getElementById(f.flashContainer.id);a.setEnabled(false);f.enabled=false};f.getData=function(){if(!f.enabled)return"";if(f.dataCallback)return f.dataCallback();else if(f.data)return f.data;else return""};f.getFilename=function(){if(f.filenameCallback)return f.filenameCallback();else if(f.filename)return f.filename;else return""};f.getDataType=function(){if(f.options.dataType)return f.options.dataType;return"string"};f.complete=function(){if(typeof(f.options.onComplete)==="function")f.options.onComplete()};f.cancel=function(){if(typeof(f.options.onCancel)==="function")f.options.onCancel()};f.error=function(){if(typeof(f.options.onError)==="function")f.options.onError()};g()};Downloadify.defaultOptions={swf:'media/downloadify.swf',downloadImage:'images/download.png',width:100,height:30,transparent:true,append:false,dataType:"string"}})();if(typeof(jQuery)!="undefined"){(function($){$.fn.downloadify=function(b){return this.each(function(){b=$.extend({},Downloadify.defaultOptions,b);var a=Downloadify.create(this,b);$(this).data('Downloadify',a)})}})(jQuery)};if(typeof(MooTools)!='undefined'){Element.implement({downloadify:function(a){a=$merge(Downloadify.defaultOptions,a);return this.store('Downloadify',Downloadify.create(this,a))}})};
--- a/sources/preview_export/download_assist/downloadify.swf
+++ b/sources/preview_export/download_assist/downloadify.swf
--- a/sources/preview_export/download_assist/swfobject.js
+++ b/sources/preview_export/download_assist/swfobject.js
--- a/sources/preview_export/handouts.html
+++ b/sources/preview_export/handouts.html
@ -0,0 +1,105 @@
+<html>
+<head>
+<meta charset="utf-8" />
+<meta name="viewport" content="width=1024" />
+<meta name="apple-mobile-web-app-capable" content="yes" />
+<title>Deck Title</title>
+
+<meta name="description" content="TODO" />
+<meta name="author" content="TODO" />
+
+<link rel="stylesheet" href="css/themes/default-reset.css"></link>
+<link href="css/main.css" rel="stylesheet" type='text/css' />
+<link rel="stylesheet" href="reveal/css/theme/default.css" id="theme" />
+<link href='css/web-fonts.css' rel='stylesheet' type='text/css' />
+
+<style>
+body {
+	font-size: 18pt;
+	width: 215.9mm;
+	height: 279.4mm;
+	margin: 0 auto !important;
+	border: 0;
+	padding: 0;
+	padding-left: 5%;
+	float: none !important;
+	overflow: visible;
+	background: none;
+}
+
+html {
+	width: 100%;
+	height: 100%;
+	overflow: visible;
+}
+
+@page {
+	margin: 0;
+	margin-top: 20px;
+}
+
+.componentContainer {
+    position: absolute;
+    line-height: normal;
+    /*-webkit-transform-origin: 135% 135%;
+    -moz-transform-origin: 135% 135%;
+    transform-origin: 135% 135%;*/
+}
+
+.transformContainer {
+    -webkit-transform-origin: 0 0;
+    -moz-transform-origin: 0 0;
+    transform-origin: 0 0;
+}
+
+.slide-and-notes {
+	position: relative;
+}
+
+.slide {
+	position: relative;
+	width: 1024px;
+	height: 768px;
+	border: 2px solid black;
+}
+
+.notes {
+	position: absolute;
+	left: 1034px;
+	width: 50px;
+	height: 768px;
+	top: 0px;
+}
+
+.notes-handout {
+	transform-origin: 0 0;
+	-moz-transform-origin: 0 0;
+	-webkit-transform-origin: 0 0;
+	transform: scale(0.5);
+	-webkit-transform: scale(0.5);
+	-moz-transform: scale(0.5);
+}
+
+@media print {
+	.slide-and-notes:nth-child(3)	{ page-break-after: always; }
+	.slide-and-notes { page-break-inside: avoid; }
+}
+</style>
+<link href='../styles/strut.themes/backgroundClasses.css' rel='stylesheet' type='text/css' />
+<link href='../styles/strut.themes/surfaceClasses.css' rel='stylesheet' type='text/css' />
+
+<script src="scripts/onready.js"></script>
+<script src="scripts/loadPresentation.js"></script>
+<script>
+ready(function() {
+	if (document.getElementById('launched-placeholder'))
+		loadPresentation();
+
+	document.body.className = "";
+});
+</script>
+</head>
+<body>
+	<div id="launched-placeholder"></div>
+</body>
+</html>
--- a/sources/preview_export/impress.html
+++ b/sources/preview_export/impress.html
@ -0,0 +1,79 @@
+<html>
+<head>
+<meta charset="utf-8" />
+<meta name="viewport" content="width=1024" />
+<meta name="apple-mobile-web-app-capable" content="yes" />
+<title>Deck Title</title>
+
+<meta name="description" content="TODO" />
+<meta name="author" content="TODO" />
+
+<style>
+.componentContainer {
+    position: absolute;
+    line-height: normal;
+    /*-webkit-transform-origin: 135% 135%;
+    -moz-transform-origin: 135% 135%;
+    transform-origin: 135% 135%;*/
+}
+
+.transformContainer {
+    -webkit-transform-origin: 0 0;
+    -moz-transform-origin: 0 0;
+    transform-origin: 0 0;
+}
+
+.bg {
+    width: 100%;
+    height: 100%;
+}
+</style>
+
+<link rel="stylesheet" href="css/themes/default-reset.css"></link>
+<link href="css/main.css" rel="stylesheet" type='text/css' />
+<link rel="stylesheet" href="reveal/css/theme/default.css" id="theme">
+<link href='css/web-fonts.css' rel='stylesheet' type='text/css' />
+<link href='../styles/strut.themes/backgroundClasses.css' rel='stylesheet' type='text/css' />
+<link href='../styles/strut.themes/surfaceClasses.css' rel='stylesheet' type='text/css' />
+
+<link rel="shortcut icon" href="favicon.png" type='image/png' />
+<link rel="apple-touch-icon" href="apple-touch-icon.png" type='image/png' />
+
+<style>
+.reveal.themedArea {
+    display: block;
+    position: absolute;
+    top: 0px;
+    left: 0px;
+    z-index: 0;
+    width: 100%;
+    height: 100%;
+}
+</style>
+
+<script type="text/javascript" src="scripts/dataset-shim.js"></script>
+<script type="text/javascript" src="scripts/impress.js"></script>
+
+<script src="scripts/onready.js"></script>
+<script src="scripts/loadPresentation.js"></script>
+<script>
+ready(function() {
+    if (document.getElementById('launched-placeholder'))
+        loadPresentation();
+
+    if (!window.presStarted) {
+        startPres(document, window);
+        impress().init();   
+    }
+
+    if ("ontouchstart" in document.documentElement) { 
+        document.querySelector(".hint").innerHTML = 
+            "<p>Tap on the left or right to navigate</p>";
+    }
+});
+</script>
+</head>
+<body class="impress-not-supported">
+    <div id="launched-placeholder"></div>
+</body>
+</html>
--- a/sources/preview_export/index.html
+++ b/sources/preview_export/index.html
@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<style>
+#frame {
+	width: 100%;
+	height: 100%;
+	border: 0;
+}
+
+html, body {
+	margin: 0;
+	padding: 0;
+	width: 100%;
+	height: 100%;
+}
+</style>
+</head>
+<body>
+	<iframe id="frame"></iframe>
+</body>
+</html>
--- a/sources/preview_export/reveal.html
+++ b/sources/preview_export/reveal.html
@ -0,0 +1,129 @@
+<html lang="en">
+
+  <head>
+    <meta charset="utf-8">
+
+    <title>Deck Title</title>
+
+    <meta name="description" content="A framework for easily creating beautiful presentations using HTML">
+    <meta name="author" content="Hakim El Hattab">
+
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
+
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
+    <link rel="stylesheet" href="reveal/css/reveal.css">
+    <link rel="stylesheet" href="reveal/css/theme/default.css" id="theme">
+    <!-- For syntax highlighting -->
+    <link rel="stylesheet" href="reveal/lib/css/zenburn.css">
+
+    <link rel="stylesheet" type="text/css" href="css/main.css" />
+    <link href='css/web-fonts.css' rel='stylesheet' type='text/css' />
+    <link href='../styles/strut.themes/backgroundClasses.css' rel='stylesheet' type='text/css' />
+    <link href='../styles/strut.themes/surfaceClasses.css' rel='stylesheet' type='text/css' />
+    <style>
+.componentContainer {
+    position: absolute;
+    line-height: normal;
+    /*-webkit-transform-origin: 135% 135%;
+    -moz-transform-origin: 135% 135%;
+    transform-origin: 135% 135%;*/
+}
+
+.transformContainer {
+    -webkit-transform-origin: 0 0;
+    -moz-transform-origin: 0 0;
+    transform-origin: 0 0;
+}
+
+.strut-surface, .innerBg {
+  background-size: cover;
+  background-position: center;
+    background-repeat: no-repeat;
+}
+
+.slideContainer {
+  background-size: cover;
+  background-position: center;
+  background-repeat: no-repeat;
+}
+
+.bg {
+    width: 100%;
+    height: 100%;
+}
+</style>
+
+<script src="reveal/lib/js/head.min.js"></script>
+<script src="reveal/js/reveal.js"></script>
+<script src="scripts/onready.js"></script>
+<script src="scripts/loadPresentation.js"></script>
+<script>
+ready(function() {
+    if (document.getElementById('launched-placeholder'))
+        loadPresentation();
+    if (!window.presStarted) {
+
+
+  // Full list of configuration options available here:
+  // https://github.com/hakimel/reveal.js#configuration
+
+  Reveal.initialize({
+    controls: true,
+    progress: true,
+    history: true,
+    center: true,
+    width: 1024,
+    height: 768,
+
+    theme: Reveal.getQueryHash().theme, // available themes are in /css/theme
+    transition: Reveal.getQueryHash().transition || 'default', // default/cube/page/concave/zoom/linear/fade/none
+
+    // Optional libraries used to extend on reveal.js
+    dependencies: [
+      { src: 'reveal/lib/js/classList.js', condition: function() { return !document.body.classList; } },
+      { src: 'reveal/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
+      { src: 'reveal/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
+      { src: 'reveal/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
+      { src: 'reveal/plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
+      { src: 'reveal/plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
+      // { src: 'preview_export/reveal/plugin/search/search.js', async: true, condition: function() { return !!document.body.classList; } }
+      // { src: 'preview_export/reveal/plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }
+    ]
+  });
+
+  var innerBg = document.querySelector('.innerBg');
+  function updateSurface(step, operation) {
+      if (!step) return;
+      if (step.dataset)
+        var state = step.dataset.state;
+      else {
+        for (var i = 0; i < step.attributes.length; ++i) {
+          if (step.attributes[i].name == 'data-state') {
+            state = step.attributes[i].value;
+            break;
+          }
+        }
+      }
+      if (typeof state == 'string') {
+          state = state.trim().split(' ');
+          for (var i = 0; i < state.length; ++i) {
+              innerBg.classList[operation](state[i]);
+          }
+      }
+  }
+  function slideShown(e) {
+    updateSurface(e.previousSlide, 'remove');
+    updateSurface(e.currentSlide, 'add');
+  }
+  Reveal.addEventListener('slidechanged', slideShown);
+  Reveal.addEventListener('ready', slideShown);
+ }
+});
+</script>
+</head>
+<body>
+    <div id="launched-placeholder"></div>
+</body>
+</html>
--- a/sources/preview_export/reveal/LICENSE
+++ b/sources/preview_export/reveal/LICENSE
@ -0,0 +1,19 @@
+Copyright (C) 2013 Hakim El Hattab, http://hakim.se
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/sources/preview_export/reveal/css/print/paper.css
+++ b/sources/preview_export/reveal/css/print/paper.css
@ -0,0 +1,176 @@
+/* Default Print Stylesheet Template
+   by Rob Glazebrook of CSSnewbie.com
+   Last Updated: June 4, 2008
+
+   Feel free (nay, compelled) to edit, append, and
+   manipulate this file as you see fit. */
+
+
+/* SECTION 1: Set default width, margin, float, and
+   background. This prevents elements from extending
+   beyond the edge of the printed page, and prevents
+   unnecessary background images from printing */
+body {
+	background: #fff;
+	font-size: 13pt;
+	width: auto;
+	height: auto;
+	border: 0;
+	margin: 0 5%;
+	padding: 0;
+	float: none !important;
+	overflow: visible;
+}
+html {
+	background: #fff;
+	width: auto;
+	height: auto;
+	overflow: visible;
+}
+
+/* SECTION 2: Remove any elements not needed in print.
+   This would include navigation, ads, sidebars, etc. */
+.nestedarrow,
+.controls,
+.reveal .progress,
+.reveal.overview,
+.fork-reveal,
+.share-reveal,
+.state-background {
+	display: none !important;
+}
+
+/* SECTION 3: Set body font face, size, and color.
+   Consider using a serif font for readability. */
+body, p, td, li, div, a {
+	font-size: 16pt!important;
+	font-family: Georgia, "Times New Roman", Times, serif !important;
+	color: #000;
+}
+
+/* SECTION 4: Set heading font face, sizes, and color.
+   Diffrentiate your headings from your body text.
+   Perhaps use a large sans-serif for distinction. */
+h1,h2,h3,h4,h5,h6 {
+	color: #000!important;
+	height: auto;
+	line-height: normal;
+	font-family: Georgia, "Times New Roman", Times, serif !important;
+	text-shadow: 0 0 0 #000 !important;
+	text-align: left;
+	letter-spacing: normal;
+}
+/* Need to reduce the size of the fonts for printing */
+h1 { font-size: 26pt !important;  }
+h2 { font-size: 22pt !important; }
+h3 { font-size: 20pt !important; }
+h4 { font-size: 20pt !important; font-variant: small-caps; }
+h5 { font-size: 19pt !important; }
+h6 { font-size: 18pt !important; font-style: italic; }
+
+/* SECTION 5: Make hyperlinks more usable.
+   Ensure links are underlined, and consider appending
+   the URL to the end of the link for usability. */
+a:link,
+a:visited {
+	color: #000 !important;
+	font-weight: bold;
+	text-decoration: underline;
+}
+/*
+.reveal a:link:after,
+.reveal a:visited:after {
+	content: " (" attr(href) ") ";
+	color: #222 !important;
+	font-size: 90%;
+}
+*/
+
+
+/* SECTION 6: more reveal.js specific additions by @skypanther */
+ul, ol, div, p {
+	visibility: visible;
+	position: static;
+	width: auto;
+	height: auto;
+	display: block;
+	overflow: visible;
+	margin: auto;
+	text-align: left !important;
+}
+.reveal .slides {
+	position: static;
+	width: auto;
+	height: auto;
+
+	left: auto;
+	top: auto;
+	margin-left: auto;
+	margin-top: auto;
+	padding: auto;
+
+	overflow: visible;
+	display: block;
+
+	text-align: center;
+	-webkit-perspective: none;
+	   -moz-perspective: none;
+	    -ms-perspective: none;
+	        perspective: none;
+
+	-webkit-perspective-origin: 50% 50%; /* there isn't a none/auto value but 50-50 is the default */
+	   -moz-perspective-origin: 50% 50%;
+	    -ms-perspective-origin: 50% 50%;
+	        perspective-origin: 50% 50%;
+}
+.reveal .slides>section,
+.reveal .slides>section>section {
+
+	visibility: visible !important;
+	position: static !important;
+	width: 90% !important;
+	height: auto !important;
+	display: block !important;
+	overflow: visible !important;
+
+	left: 0% !important;
+	top: 0% !important;
+	margin-left: 0px !important;
+	margin-top: 0px !important;
+	padding: 20px 0px !important;
+
+	opacity: 1 !important;
+
+	-webkit-transform-style: flat !important;
+	   -moz-transform-style: flat !important;
+	    -ms-transform-style: flat !important;
+	        transform-style: flat !important;
+
+	-webkit-transform: none !important;
+	   -moz-transform: none !important;
+	    -ms-transform: none !important;
+	        transform: none !important;
+}
+.reveal section {
+	page-break-after: always !important;
+	display: block !important;
+}
+.reveal section .fragment {
+	opacity: 1 !important;
+	visibility: visible !important;
+
+	-webkit-transform: none !important;
+	   -moz-transform: none !important;
+	    -ms-transform: none !important;
+	        transform: none !important;
+}
+.reveal section:last-of-type {
+	page-break-after: avoid !important;
+}
+.reveal section img {
+	display: block;
+	margin: 15px 0px;
+	background: rgba(255,255,255,1);
+	border: 1px solid #666;
+	box-shadow: none;
+}
--- a/sources/preview_export/reveal/css/print/pdf.css
+++ b/sources/preview_export/reveal/css/print/pdf.css
@ -0,0 +1,164 @@
+/* Default Print Stylesheet Template
+   by Rob Glazebrook of CSSnewbie.com
+   Last Updated: June 4, 2008
+
+   Feel free (nay, compelled) to edit, append, and
+   manipulate this file as you see fit. */
+
+
+/* SECTION 1: Set default width, margin, float, and
+   background. This prevents elements from extending
+   beyond the edge of the printed page, and prevents
+   unnecessary background images from printing */
+
+* {
+	-webkit-print-color-adjust: exact;
+}
+
+body {
+	font-size: 18pt;
+	width: auto;
+	height: auto;
+	border: 0;
+	padding: 0;
+	float: none !important;
+	overflow: visible;
+}
+
+html {
+	width: 100%;
+	height: 100%;
+	overflow: visible;
+}
+
+@page {
+	size: letter landscape;
+	margin: 0;
+}
+
+/* SECTION 2: Remove any elements not needed in print.
+   This would include navigation, ads, sidebars, etc. */
+.nestedarrow,
+.controls,
+.reveal .progress,
+.reveal.overview,
+.fork-reveal,
+.share-reveal,
+.state-background {
+	display: none !important;
+}
+
+/* SECTION 3: Set body font face, size, and color.
+   Consider using a serif font for readability. */
+body, p, td, li, div {
+	font-size: 18pt;
+}
+
+/* SECTION 4: Set heading font face, sizes, and color.
+   Diffrentiate your headings from your body text.
+   Perhaps use a large sans-serif for distinction. */
+h1,h2,h3,h4,h5,h6 {
+	text-shadow: 0 0 0 #000 !important;
+}
+
+/* SECTION 5: Make hyperlinks more usable.
+   Ensure links are underlined, and consider appending
+   the URL to the end of the link for usability. */
+a:link,
+a:visited {
+	font-weight: bold;
+	text-decoration: underline;
+}
+
+
+/* SECTION 6: more reveal.js specific additions by @skypanther */
+ul, ol, div, p {
+	visibility: visible;
+	position: static;
+	width: auto;
+	height: auto;
+	display: block;
+	overflow: visible;
+	margin: auto;
+}
+.reveal .slides {
+	position: static;
+	width: 100%;
+	height: auto;
+
+	left: auto;
+	top: auto;
+	margin-left: auto;
+	margin-right: auto;
+	margin-top: auto;
+	padding: auto;
+
+	overflow: visible;
+	display: block;
+
+	text-align: center;
+
+	-webkit-perspective: none;
+	   -moz-perspective: none;
+	    -ms-perspective: none;
+	        perspective: none;
+
+	-webkit-perspective-origin: 50% 50%; /* there isn't a none/auto value but 50-50 is the default */
+	   -moz-perspective-origin: 50% 50%;
+	    -ms-perspective-origin: 50% 50%;
+	        perspective-origin: 50% 50%;
+}
+.reveal .slides section {
+
+	page-break-after: always !important;
+
+	visibility: visible !important;
+	position: static !important;
+	width: 100% !important;
+	height: auto !important;
+	min-height: initial !important;
+	display: block !important;
+	overflow: visible !important;
+
+	left: 0 !important;
+	top: 0 !important;
+	margin-left: 0px !important;
+	margin-top: 50px !important;
+	padding: 20px 0px !important;
+
+	opacity: 1 !important;
+
+	-webkit-transform-style: flat !important;
+	   -moz-transform-style: flat !important;
+	    -ms-transform-style: flat !important;
+	        transform-style: flat !important;
+
+	-webkit-transform: none !important;
+	   -moz-transform: none !important;
+	    -ms-transform: none !important;
+	        transform: none !important;
+}
+.reveal section.stack {
+	margin: 0px !important;
+	padding: 0px !important;
+	page-break-after: avoid !important;
+}
+.reveal section .fragment {
+	opacity: 1 !important;
+	visibility: visible !important;
+
+	-webkit-transform: none !important;
+	   -moz-transform: none !important;
+	    -ms-transform: none !important;
+	        transform: none !important;
+}
+.reveal img {
+	box-shadow: none;
+}
+.reveal .roll {
+	overflow: visible;
+	line-height: 1em;
+}
+.reveal small a {
+	font-size: 16pt !important;
+}
--- a/sources/preview_export/reveal/css/reveal.css
+++ b/sources/preview_export/reveal/css/reveal.css
--- a/sources/preview_export/reveal/css/reveal.min.css
+++ b/sources/preview_export/reveal/css/reveal.min.css
--- a/sources/preview_export/reveal/css/theme/README.md
+++ b/sources/preview_export/reveal/css/theme/README.md
@ -0,0 +1,23 @@
+## Dependencies
+
+Themes are written using Sass to keep things modular and reduce the need for repeated selectors across files. Make sure that you have the reveal.js development environment including the Grunt dependencies installed before proceding: https://github.com/hakimel/reveal.js#development-environment
+
+
+
+## Creating a Theme
+
+To create your own theme, start by duplicating any ```.scss``` file in [/css/theme/source](https://github.com/hakimel/reveal.js/blob/master/css/theme/source) and adding it to the compilation list in the [Gruntfile](https://github.com/hakimel/reveal.js/blob/master/Gruntfile.js).
+
+Each theme file does four things in the following order:
+
+1. **Include [/css/theme/template/mixins.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/mixins.scss)**
+Shared utility functions.
+
+2. **Include [/css/theme/template/settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss)**
+Declares a set of custom variables that the template file (step 4) expects. Can be overridden in step 3.
+
+3. **Override**
+This is where you override the default theme. Either by specifying variables (see [settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss) for reference) or by adding full selectors with hardcoded styles.
+
+4. **Include [/css/theme/template/theme.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/theme.scss)**
+The template theme file which will generate final CSS output based on the currently defined variables.
--- a/sources/preview_export/reveal/css/theme/beige.css
+++ b/sources/preview_export/reveal/css/theme/beige.css
@ -0,0 +1,166 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Lato:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(./fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2) format('woff2'), url(./fonts/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(./fonts/H2DMvhDLycM56KNuAtbJYA.woff2) format('woff2'), url(./fonts/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url(./fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2) format('woff2'), url(./fonts/oUan5VrEkpzIazlUe5ieaA.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(./fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+/**
+ * Beige theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+@font-face {
+  font-family: 'League Gothic';
+  src: url("../../lib/font/league_gothic-webfont.eot");
+  src: url("../../lib/font/league_gothic-webfont.eot?#iefix") format("embedded-opentype"), url("../../lib/font/league_gothic-webfont.woff") format("woff"), url("../../lib/font/league_gothic-webfont.ttf") format("truetype"), url("../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular") format("svg");
+  font-weight: normal;
+  font-style: normal; }
+
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #f7f2d3;
+  background: -moz-radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
+  background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, white), color-stop(100%, #f7f2d3));
+  background: -webkit-radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
+  background: -o-radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
+  background: -ms-radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
+  background: radial-gradient(center, circle cover, white 0%, #f7f2d3 100%);
+  background-color: #f7f3de; }
+
+.reveal {
+  font-family: "Lato", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #333333; }
+
+::selection {
+  color: white;
+  background: rgba(79, 64, 28, 0.99);
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #333333;
+  font-family: "League Gothic", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0 1px 0 #cccccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbbbbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaaaaa, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #8b743d;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #c0a86e;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #564826; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #333333;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #8b743d;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #8b743d; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #8b743d; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #8b743d; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #8b743d; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #c0a86e; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #c0a86e; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #c0a86e; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #c0a86e; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #8b743d;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/default.css
+++ b/sources/preview_export/reveal/css/theme/default.css
@ -0,0 +1,63 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Lato:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(./fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2) format('woff2'), url(./fonts/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(./fonts/H2DMvhDLycM56KNuAtbJYA.woff2) format('woff2'), url(./fonts/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url(./fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2) format('woff2'), url(./fonts/oUan5VrEkpzIazlUe5ieaA.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(./fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+
+@font-face {
+  font-family: 'League Gothic';
+  src: url("../../lib/font/league_gothic-webfont.eot");
+  src: url("../../lib/font/league_gothic-webfont.eot?#iefix") format("embedded-opentype"), url("../../lib/font/league_gothic-webfont.woff") format("woff"), url("../../lib/font/league_gothic-webfont.ttf") format("truetype"), url("../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular") format("svg");
+  font-weight: normal;
+  font-style: normal; }
+
+
+html, body {
+  font-family: "Lato", sans-serif;
+  color: #333;
+}
+
+.themedArea {
+  font-family: "Lato", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #333; }
+
+.themedArea h1,
+.themedArea h2,
+.themedArea h3,
+.themedArea h4,
+.themedArea h5,
+.themedArea h6 {
+  margin: 0 0 20px 0;
+  color: #333;
+  font-family: "League Gothic", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+.themedArea h1 {
+   text-shadow: 0 1px 0 #666666, 0 2px 0 #5A5A5A, 0 3px 0 #494949, 0 4px 0 #4D4D4D, 0 5px 0 #494949, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15);
+}
--- a/sources/preview_export/reveal/css/theme/fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/32nyIRHyCu6iqEka_hbKsnhCUOGz7vYGh680lGh-uXM.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/32nyIRHyCu6iqEka_hbKsnhCUOGz7vYGh680lGh-uXM.woff
--- a/sources/preview_export/reveal/css/theme/fonts/32nyIRHyCu6iqEka_hbKsugdm0LZdjqr5-oayXSOefg.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/32nyIRHyCu6iqEka_hbKsugdm0LZdjqr5-oayXSOefg.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/9Xe8dq6pQDsPyVH2D3tMQhsxEYwM7FgeyaSgU71cLG0.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/9Xe8dq6pQDsPyVH2D3tMQhsxEYwM7FgeyaSgU71cLG0.woff
--- a/sources/preview_export/reveal/css/theme/fonts/9Xe8dq6pQDsPyVH2D3tMQvk_vArhqVIZ0nv9q090hN8.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/9Xe8dq6pQDsPyVH2D3tMQvk_vArhqVIZ0nv9q090hN8.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/9k-RPmcnxYEPm8CNFsH2gg.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/9k-RPmcnxYEPm8CNFsH2gg.woff
--- a/sources/preview_export/reveal/css/theme/fonts/G28Ny31cr5orMqEQy6ljt4WiMMZ7xLd792ULpGE4W_Y.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/G28Ny31cr5orMqEQy6ljt4WiMMZ7xLd792ULpGE4W_Y.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/G28Ny31cr5orMqEQy6ljtwFhaRv2pGgT5Kf0An0s4MM.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/G28Ny31cr5orMqEQy6ljtwFhaRv2pGgT5Kf0An0s4MM.woff
--- a/sources/preview_export/reveal/css/theme/fonts/H2DMvhDLycM56KNuAtbJYA.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/H2DMvhDLycM56KNuAtbJYA.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff
--- a/sources/preview_export/reveal/css/theme/fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff
--- a/sources/preview_export/reveal/css/theme/fonts/IQHow_FEYlDC4Gzy_m8fcoWiMMZ7xLd792ULpGE4W_Y.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/IQHow_FEYlDC4Gzy_m8fcoWiMMZ7xLd792ULpGE4W_Y.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff
--- a/sources/preview_export/reveal/css/theme/fonts/PRmiXeptR36kaC0GEAetxolIZu-HDpmDIZMigmsroc4.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/PRmiXeptR36kaC0GEAetxolIZu-HDpmDIZMigmsroc4.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
--- a/sources/preview_export/reveal/css/theme/fonts/cJZKeOuBrn4kERxqtaUH3VtXRa8TVwTICgirnJhmVJw.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/cJZKeOuBrn4kERxqtaUH3VtXRa8TVwTICgirnJhmVJw.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff
--- a/sources/preview_export/reveal/css/theme/fonts/k3k702ZOKiLJc3WVjuplzOgdm0LZdjqr5-oayXSOefg.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/k3k702ZOKiLJc3WVjuplzOgdm0LZdjqr5-oayXSOefg.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/oUan5VrEkpzIazlUe5ieaA.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/oUan5VrEkpzIazlUe5ieaA.woff
--- a/sources/preview_export/reveal/css/theme/fonts/sKd0EMYPAh5PYCRKSryvW1tXRa8TVwTICgirnJhmVJw.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/sKd0EMYPAh5PYCRKSryvW1tXRa8TVwTICgirnJhmVJw.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/sKd0EMYPAh5PYCRKSryvWz8E0i7KZn-EPnyo3HZu7kw.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/sKd0EMYPAh5PYCRKSryvWz8E0i7KZn-EPnyo3HZu7kw.woff
--- a/sources/preview_export/reveal/css/theme/fonts/wkfQbvfT_02e2IWO3yYueQ.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/wkfQbvfT_02e2IWO3yYueQ.woff
--- a/sources/preview_export/reveal/css/theme/fonts/xjAJXh38I15wypJXxuGMBo4P5ICox8Kq3LLUNMylGO4.woff2
+++ b/sources/preview_export/reveal/css/theme/fonts/xjAJXh38I15wypJXxuGMBo4P5ICox8Kq3LLUNMylGO4.woff2
--- a/sources/preview_export/reveal/css/theme/fonts/xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff
+++ b/sources/preview_export/reveal/css/theme/fonts/xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff
--- a/sources/preview_export/reveal/css/theme/moon.css
+++ b/sources/preview_export/reveal/css/theme/moon.css
@ -0,0 +1,166 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Lato:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(./fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2) format('woff2'), url(./fonts/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(./fonts/H2DMvhDLycM56KNuAtbJYA.woff2) format('woff2'), url(./fonts/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url(./fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2) format('woff2'), url(./fonts/oUan5VrEkpzIazlUe5ieaA.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(./fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+/**
+ * Solarized Dark theme for reveal.js.
+ * Author: Achim Staebler
+ */
+@font-face {
+  font-family: 'League Gothic';
+  src: url("../../lib/font/league_gothic-webfont.eot");
+  src: url("../../lib/font/league_gothic-webfont.eot?#iefix") format("embedded-opentype"), url("../../lib/font/league_gothic-webfont.woff") format("woff"), url("../../lib/font/league_gothic-webfont.ttf") format("truetype"), url("../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular") format("svg");
+  font-weight: normal;
+  font-style: normal; }
+
+/**
+ * Solarized colors by Ethan Schoonover
+ */
+html * {
+  color-profile: sRGB;
+  rendering-intent: auto; }
+
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #002b36;
+  background-color: #002b36; }
+
+.reveal {
+  font-family: "Lato", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #93a1a1; }
+
+::selection {
+  color: white;
+  background: #d33682;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #eee8d5;
+  font-family: "League Gothic", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #268bd2;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #78b9e6;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #1a6091; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #93a1a1;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #268bd2;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #268bd2; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #268bd2; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #268bd2; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #268bd2; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #78b9e6; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #78b9e6; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #78b9e6; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #78b9e6; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #268bd2;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/night.css
+++ b/sources/preview_export/reveal/css/theme/night.css
@ -0,0 +1,162 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Montserrat:700);*/
+@font-face {
+  font-family: 'Montserrat';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Montserrat-Bold'), url(./fonts/IQHow_FEYlDC4Gzy_m8fcoWiMMZ7xLd792ULpGE4W_Y.woff2) format('woff2'), url(./fonts/IQHow_FEYlDC4Gzy_m8fcgFhaRv2pGgT5Kf0An0s4MM.woff) format('woff');
+}
+
+/*@import url(https://fonts.googl eapis.com/css?family=Open+Sans:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(./fonts/cJZKeOuBrn4kERxqtaUH3VtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(./fonts/k3k702ZOKiLJc3WVjuplzOgdm0LZdjqr5-oayXSOefg.woff2) format('woff2'), url(./fonts/k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Open Sans Italic'), local('OpenSans-Italic'), url(./fonts/xjAJXh38I15wypJXxuGMBo4P5ICox8Kq3LLUNMylGO4.woff2) format('woff2'), url(./fonts/xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Open Sans Bold Italic'), local('OpenSans-BoldItalic'), url(./fonts/PRmiXeptR36kaC0GEAetxolIZu-HDpmDIZMigmsroc4.woff2) format('woff2'), url(./fonts/PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff) format('woff');
+}
+
+/**
+ * Black theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #111111;
+  background-color: #111111; }
+
+.reveal {
+  font-family: "Open Sans", sans-serif;
+  font-size: 30px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #eeeeee; }
+
+::selection {
+  color: white;
+  background: #e7ad52;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #eeeeee;
+  font-family: "Montserrat", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: -0.03em;
+  text-transform: none;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #e7ad52;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #f3d7ac;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #d08a1d; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #eeeeee;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #e7ad52;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #e7ad52; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #e7ad52; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #e7ad52; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #e7ad52; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #f3d7ac; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #f3d7ac; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #f3d7ac; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #f3d7ac; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #e7ad52;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/serif.css
+++ b/sources/preview_export/reveal/css/theme/serif.css
@ -0,0 +1,130 @@
+/**
+ * A simple theme for reveal.js presentations, similar
+ * to the default theme. The accent color is darkblue.
+ *
+ * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
+ * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se; so is the theme - beige.css - that this is based off of.
+ */
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #f0f1eb;
+  background-color: #f0f1eb; }
+
+.reveal {
+  font-family: "Palatino Linotype", "Book Antiqua", Palatino, FreeSerif, serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: black; }
+
+::selection {
+  color: white;
+  background: #26351c;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #383d3d;
+  font-family: "Palatino Linotype", "Book Antiqua", Palatino, FreeSerif, serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: none;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #51483d;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #8b7c69;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #25211c; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid black;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #51483d;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #51483d; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #51483d; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #51483d; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #51483d; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #8b7c69; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #8b7c69; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #8b7c69; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #8b7c69; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #51483d;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/simple.css
+++ b/sources/preview_export/reveal/css/theme/simple.css
@ -0,0 +1,169 @@
+/*@import url(https://fonts.googl eapis.com/css?family=News+Cycle:400,700);*/
+@font-face {
+  font-family: 'News Cycle';
+  font-style: normal;
+  font-weight: 400;
+  src: local('News Cycle Regular'), local('NewsCycle-Regular'), url(./fonts/9Xe8dq6pQDsPyVH2D3tMQvk_vArhqVIZ0nv9q090hN8.woff2) format('woff2'), url(./fonts/9Xe8dq6pQDsPyVH2D3tMQhsxEYwM7FgeyaSgU71cLG0.woff) format('woff');
+}
+@font-face {
+  font-family: 'News Cycle';
+  font-style: normal;
+  font-weight: 700;
+  src: local('News Cycle Bold'), local('NewsCycle-Bold'), url(./fonts/G28Ny31cr5orMqEQy6ljt4WiMMZ7xLd792ULpGE4W_Y.woff2) format('woff2'), url(./fonts/G28Ny31cr5orMqEQy6ljtwFhaRv2pGgT5Kf0An0s4MM.woff) format('woff');
+}
+
+/*@import url(https://fonts.googl eapis.com/css?family=Lato:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(./fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2) format('woff2'), url(./fonts/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(./fonts/H2DMvhDLycM56KNuAtbJYA.woff2) format('woff2'), url(./fonts/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url(./fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2) format('woff2'), url(./fonts/oUan5VrEkpzIazlUe5ieaA.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(./fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+/**
+ * A simple theme for reveal.js presentations, similar
+ * to the default theme. The accent color is darkblue.
+ *
+ * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
+ * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: white;
+  background-color: white; }
+
+.reveal {
+  font-family: "Lato", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: black; }
+
+::selection {
+  color: white;
+  background: rgba(0, 0, 0, 0.99);
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: black;
+  font-family: "News Cycle", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: none;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: darkblue;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #0000f1;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #00003f; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid black;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: darkblue;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: darkblue; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: darkblue; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: darkblue; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: darkblue; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #0000f1; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #0000f1; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #0000f1; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #0000f1; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: darkblue;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/sky.css
+++ b/sources/preview_export/reveal/css/theme/sky.css
@ -0,0 +1,173 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Quicksand:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Quicksand';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Quicksand Regular'), local('Quicksand-Regular'), url(./fonts/sKd0EMYPAh5PYCRKSryvW1tXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/sKd0EMYPAh5PYCRKSryvWz8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+@font-face {
+  font-family: 'Quicksand';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Quicksand Bold'), local('Quicksand-Bold'), url(./fonts/32nyIRHyCu6iqEka_hbKsugdm0LZdjqr5-oayXSOefg.woff2) format('woff2'), url(./fonts/32nyIRHyCu6iqEka_hbKsnhCUOGz7vYGh680lGh-uXM.woff) format('woff');
+}
+
+/*@import url(https://fonts.googl eapis.com/css?family=Open+Sans:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(./fonts/cJZKeOuBrn4kERxqtaUH3VtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(./fonts/k3k702ZOKiLJc3WVjuplzOgdm0LZdjqr5-oayXSOefg.woff2) format('woff2'), url(./fonts/k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Open Sans Italic'), local('OpenSans-Italic'), url(./fonts/xjAJXh38I15wypJXxuGMBo4P5ICox8Kq3LLUNMylGO4.woff2) format('woff2'), url(./fonts/xjAJXh38I15wypJXxuGMBobN6UDyHWBl620a-IRfuBk.woff) format('woff');
+}
+@font-face {
+  font-family: 'Open Sans';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Open Sans Bold Italic'), local('OpenSans-BoldItalic'), url(./fonts/PRmiXeptR36kaC0GEAetxolIZu-HDpmDIZMigmsroc4.woff2) format('woff2'), url(./fonts/PRmiXeptR36kaC0GEAetxjqR_3kx9_hJXbbyU8S6IN0.woff) format('woff');
+}
+/**
+ * Sky theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #add9e4;
+  background: -moz-radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
+  background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #f7fbfc), color-stop(100%, #add9e4));
+  background: -webkit-radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
+  background: -o-radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
+  background: -ms-radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
+  background: radial-gradient(center, circle cover, #f7fbfc 0%, #add9e4 100%);
+  background-color: #f7fbfc; }
+
+.reveal {
+  font-family: "Open Sans", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #333333; }
+
+::selection {
+  color: white;
+  background: #134674;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #333333;
+  font-family: "Quicksand", sans-serif;
+  line-height: 0.9em;
+  letter-spacing: -0.08em;
+  text-transform: uppercase;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #3b759e;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #74a7cb;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #264c66; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #333333;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #3b759e;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #3b759e; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #3b759e; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #3b759e; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #3b759e; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #74a7cb; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #74a7cb; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #74a7cb; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #74a7cb; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #3b759e;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/solarized.css
+++ b/sources/preview_export/reveal/css/theme/solarized.css
@ -0,0 +1,166 @@
+/*@import url(https://fonts.googl eapis.com/css?family=Lato:400,700,400italic,700italic);*/
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Lato Regular'), local('Lato-Regular'), url(./fonts/1YwB1sO8YE1Lyjf12WNiUA.woff2) format('woff2'), url(./fonts/9k-RPmcnxYEPm8CNFsH2gg.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Lato Bold'), local('Lato-Bold'), url(./fonts/H2DMvhDLycM56KNuAtbJYA.woff2) format('woff2'), url(./fonts/wkfQbvfT_02e2IWO3yYueQ.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 400;
+  src: local('Lato Italic'), local('Lato-Italic'), url(./fonts/PLygLKRVCQnA5fhu3qk5fQ.woff2) format('woff2'), url(./fonts/oUan5VrEkpzIazlUe5ieaA.woff) format('woff');
+}
+@font-face {
+  font-family: 'Lato';
+  font-style: italic;
+  font-weight: 700;
+  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(./fonts/HkF_qI1x_noxlxhrhMQYEFtXRa8TVwTICgirnJhmVJw.woff2) format('woff2'), url(./fonts/HkF_qI1x_noxlxhrhMQYED8E0i7KZn-EPnyo3HZu7kw.woff) format('woff');
+}
+/**
+ * Solarized Light theme for reveal.js.
+ * Author: Achim Staebler
+ */
+@font-face {
+  font-family: 'League Gothic';
+  src: url("../../lib/font/league_gothic-webfont.eot");
+  src: url("../../lib/font/league_gothic-webfont.eot?#iefix") format("embedded-opentype"), url("../../lib/font/league_gothic-webfont.woff") format("woff"), url("../../lib/font/league_gothic-webfont.ttf") format("truetype"), url("../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular") format("svg");
+  font-weight: normal;
+  font-style: normal; }
+
+/**
+ * Solarized colors by Ethan Schoonover
+ */
+html * {
+  color-profile: sRGB;
+  rendering-intent: auto; }
+
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #fdf6e3;
+  background-color: #fdf6e3; }
+
+.reveal {
+  font-family: "Lato", sans-serif;
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #657b83; }
+
+::selection {
+  color: white;
+  background: #d33682;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #586e75;
+  font-family: "League Gothic", Impact, sans-serif;
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  text-shadow: none; }
+
+.reveal h1 {
+  text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #268bd2;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #78b9e6;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #1a6091; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #657b83;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #268bd2;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #268bd2; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #268bd2; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #268bd2; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #268bd2; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #78b9e6; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #78b9e6; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #78b9e6; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #78b9e6; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #268bd2;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
--- a/sources/preview_export/reveal/css/theme/source/beige.scss
+++ b/sources/preview_export/reveal/css/theme/source/beige.scss
@ -0,0 +1,50 @@
+/**
+ * Beige theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@font-face {
+	font-family: 'League Gothic';
+	src: url('../../lib/font/league_gothic-webfont.eot');
+	src: url('../../lib/font/league_gothic-webfont.eot?#iefix') format('embedded-opentype'),
+		 url('../../lib/font/league_gothic-webfont.woff') format('woff'),
+		 url('../../lib/font/league_gothic-webfont.ttf') format('truetype'),
+		 url('../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular') format('svg');
+
+	font-weight: normal;
+	font-style: normal;
+}
+
+@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
+
+
+// Override theme settings (see ../template/settings.scss)
+$mainColor: #333;
+$headingColor: #333;
+$headingTextShadow: none;
+$backgroundColor: #f7f3de;
+$linkColor: #8b743d;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: rgba(79, 64, 28, 0.99);
+$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15);
+
+// Background generator
+@mixin bodyBackground() {
+	@include radial-gradient( rgba(247,242,211,1), rgba(255,255,255,1) );
+}
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/default.scss
+++ b/sources/preview_export/reveal/css/theme/source/default.scss
@ -0,0 +1,42 @@
+/**
+ * Default theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@font-face {
+	font-family: 'League Gothic';
+	src: url('../../lib/font/league_gothic-webfont.eot');
+	src: url('../../lib/font/league_gothic-webfont.eot?#iefix') format('embedded-opentype'),
+		 url('../../lib/font/league_gothic-webfont.woff') format('woff'),
+		 url('../../lib/font/league_gothic-webfont.ttf') format('truetype'),
+		 url('../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular') format('svg');
+
+	font-weight: normal;
+	font-style: normal;
+}
+
+@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
+
+// Override theme settings (see ../template/settings.scss)
+$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15);
+
+// Background generator
+@mixin bodyBackground() {
+	@include radial-gradient( rgba(28,30,32,1), rgba(85,90,95,1) );
+}
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/moon.scss
+++ b/sources/preview_export/reveal/css/theme/source/moon.scss
@ -0,0 +1,68 @@
+/**
+ * Solarized Dark theme for reveal.js.
+ * Author: Achim Staebler
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@font-face {
+	font-family: 'League Gothic';
+	src: url('../../lib/font/league_gothic-webfont.eot');
+	src: url('../../lib/font/league_gothic-webfont.eot?#iefix') format('embedded-opentype'),
+		 url('../../lib/font/league_gothic-webfont.woff') format('woff'),
+		 url('../../lib/font/league_gothic-webfont.ttf') format('truetype'),
+		 url('../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular') format('svg');
+
+	font-weight: normal;
+	font-style: normal;
+}
+
+@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
+
+/**
+ * Solarized colors by Ethan Schoonover
+ */
+html * {
+	color-profile: sRGB;
+	rendering-intent: auto;
+}
+
+// Solarized colors
+$base03:    #002b36;
+$base02:    #073642;
+$base01:    #586e75;
+$base00:    #657b83;
+$base0:     #839496;
+$base1:     #93a1a1;
+$base2:     #eee8d5;
+$base3:     #fdf6e3;
+$yellow:    #b58900;
+$orange:    #cb4b16;
+$red:       #dc322f;
+$magenta:   #d33682;
+$violet:    #6c71c4;
+$blue:      #268bd2;
+$cyan:      #2aa198;
+$green:     #859900;
+
+// Override theme settings (see ../template/settings.scss)
+$mainColor: $base1;
+$headingColor: $base2;
+$headingTextShadow: none;
+$backgroundColor: $base03;
+$linkColor: $blue;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: $magenta;
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/night.scss
+++ b/sources/preview_export/reveal/css/theme/source/night.scss
@ -0,0 +1,35 @@
+/**
+ * Black theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+// Include theme-specific fonts
+@import url(https://fonts.googleapis.com/css?family=Montserrat:700);
+@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic,700italic);
+
+
+// Override theme settings (see ../template/settings.scss)
+$backgroundColor: #111;
+
+$mainFont: 'Open Sans', sans-serif;
+$linkColor: #e7ad52;
+$linkColorHover: lighten( $linkColor, 20% );
+$headingFont: 'Montserrat', Impact, sans-serif;
+$headingTextShadow: none;
+$headingLetterSpacing: -0.03em;
+$headingTextTransform: none;
+$selectionBackgroundColor: #e7ad52;
+$mainFontSize: 30px;
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/serif.scss
+++ b/sources/preview_export/reveal/css/theme/source/serif.scss
@ -0,0 +1,33 @@
+/**
+ * A simple theme for reveal.js presentations, similar
+ * to the default theme. The accent color is darkblue.
+ *
+ * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
+ * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se; so is the theme - beige.css - that this is based off of.
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Override theme settings (see ../template/settings.scss)
+$mainFont: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif;
+$mainColor: #000;
+$headingFont: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif;
+$headingColor: #383D3D;
+$headingTextShadow: none;
+$headingTextTransform: none;
+$backgroundColor: #F0F1EB;
+$linkColor: #51483D;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: #26351C;
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/simple.scss
+++ b/sources/preview_export/reveal/css/theme/source/simple.scss
@ -0,0 +1,38 @@
+/**
+ * A simple theme for reveal.js presentations, similar
+ * to the default theme. The accent color is darkblue.
+ *
+ * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
+ * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@import url(https://fonts.googleapis.com/css?family=News+Cycle:400,700);
+@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
+
+
+// Override theme settings (see ../template/settings.scss)
+$mainFont: 'Lato', sans-serif;
+$mainColor: #000;
+$headingFont: 'News Cycle', Impact, sans-serif;
+$headingColor: #000;
+$headingTextShadow: none;
+$headingTextTransform: none;
+$backgroundColor: #fff;
+$linkColor: #00008B;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: rgba(0, 0, 0, 0.99);
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/sky.scss
+++ b/sources/preview_export/reveal/css/theme/source/sky.scss
@ -0,0 +1,41 @@
+/**
+ * Sky theme for reveal.js.
+ *
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@import url(https://fonts.googleapis.com/css?family=Quicksand:400,700,400italic,700italic);
+@import url(https://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700);
+
+
+// Override theme settings (see ../template/settings.scss)
+$mainFont: 'Open Sans', sans-serif;
+$mainColor: #333;
+$headingFont: 'Quicksand', sans-serif;
+$headingColor: #333;
+$headingLetterSpacing: -0.08em;
+$headingTextShadow: none;
+$backgroundColor: #f7fbfc;
+$linkColor: #3b759e;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: #134674;
+
+// Background generator
+@mixin bodyBackground() {
+	@include radial-gradient( #add9e4, #f7fbfc );
+}
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/source/solarized.scss
+++ b/sources/preview_export/reveal/css/theme/source/solarized.scss
@ -0,0 +1,74 @@
+/**
+ * Solarized Light theme for reveal.js.
+ * Author: Achim Staebler
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+
+// Include theme-specific fonts
+@font-face {
+	font-family: 'League Gothic';
+	src: url('../../lib/font/league_gothic-webfont.eot');
+	src: url('../../lib/font/league_gothic-webfont.eot?#iefix') format('embedded-opentype'),
+		 url('../../lib/font/league_gothic-webfont.woff') format('woff'),
+		 url('../../lib/font/league_gothic-webfont.ttf') format('truetype'),
+		 url('../../lib/font/league_gothic-webfont.svg#LeagueGothicRegular') format('svg');
+
+	font-weight: normal;
+	font-style: normal;
+}
+
+@import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic);
+
+
+/**
+ * Solarized colors by Ethan Schoonover
+ */
+html * {
+	color-profile: sRGB;
+	rendering-intent: auto;
+}
+
+// Solarized colors
+$base03:    #002b36;
+$base02:    #073642;
+$base01:    #586e75;
+$base00:    #657b83;
+$base0:     #839496;
+$base1:     #93a1a1;
+$base2:     #eee8d5;
+$base3:     #fdf6e3;
+$yellow:    #b58900;
+$orange:    #cb4b16;
+$red:       #dc322f;
+$magenta:   #d33682;
+$violet:    #6c71c4;
+$blue:      #268bd2;
+$cyan:      #2aa198;
+$green:     #859900;
+
+// Override theme settings (see ../template/settings.scss)
+$mainColor: $base00;
+$headingColor: $base01;
+$headingTextShadow: none;
+$backgroundColor: $base3;
+$linkColor: $blue;
+$linkColorHover: lighten( $linkColor, 20% );
+$selectionBackgroundColor: $magenta;
+
+// Background generator
+// @mixin bodyBackground() {
+// 	@include radial-gradient( rgba($base3,1), rgba(lighten($base3, 20%),1) );
+// }
+
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
--- a/sources/preview_export/reveal/css/theme/template/mixins.scss
+++ b/sources/preview_export/reveal/css/theme/template/mixins.scss
@ -0,0 +1,29 @@
+@mixin vertical-gradient( $top, $bottom ) {
+	background: $top;
+	background: -moz-linear-gradient( top, $top 0%, $bottom 100% );
+	background: -webkit-gradient( linear, left top, left bottom, color-stop(0%,$top), color-stop(100%,$bottom) );
+	background: -webkit-linear-gradient( top, $top 0%, $bottom 100% );
+	background: -o-linear-gradient( top, $top 0%, $bottom 100% );
+	background: -ms-linear-gradient( top, $top 0%, $bottom 100% );
+	background: linear-gradient( top, $top 0%, $bottom 100% );
+}
+
+@mixin horizontal-gradient( $top, $bottom ) {
+	background: $top;
+	background: -moz-linear-gradient( left, $top 0%, $bottom 100% );
+	background: -webkit-gradient( linear, left top, right top, color-stop(0%,$top), color-stop(100%,$bottom) );
+	background: -webkit-linear-gradient( left, $top 0%, $bottom 100% );
+	background: -o-linear-gradient( left, $top 0%, $bottom 100% );
+	background: -ms-linear-gradient( left, $top 0%, $bottom 100% );
+	background: linear-gradient( left, $top 0%, $bottom 100% );
+}
+
+@mixin radial-gradient( $outer, $inner, $type: circle ) {
+	background: $outer;
+	background: -moz-radial-gradient( center, $type cover,  $inner 0%, $outer 100% );
+	background: -webkit-gradient( radial, center center, 0px, center center, 100%, color-stop(0%,$inner), color-stop(100%,$outer) );
+	background: -webkit-radial-gradient( center, $type cover,  $inner 0%, $outer 100% );
+	background: -o-radial-gradient( center, $type cover,  $inner 0%, $outer 100% );
+	background: -ms-radial-gradient( center, $type cover,  $inner 0%, $outer 100% );
+	background: radial-gradient( center, $type cover,  $inner 0%, $outer 100% );
+}
--- a/sources/preview_export/reveal/css/theme/template/settings.scss
+++ b/sources/preview_export/reveal/css/theme/template/settings.scss
@ -0,0 +1,33 @@
+// Base settings for all themes that can optionally be
+// overridden by the super-theme
+
+// Background of the presentation
+$backgroundColor: #2b2b2b;
+
+// Primary/body text
+$mainFont: 'Lato', sans-serif;
+$mainFontSize: 36px;
+$mainColor: #eee;
+
+// Headings
+$headingFont: 'League Gothic', Impact, sans-serif;
+$headingColor: #eee;
+$headingLineHeight: 0.9em;
+$headingLetterSpacing: 0.02em;
+$headingTextTransform: uppercase;
+$headingTextShadow: 0px 0px 6px rgba(0,0,0,0.2);
+$heading1TextShadow: $headingTextShadow;
+
+// Links and actions
+$linkColor: #13DAEC;
+$linkColorHover: lighten( $linkColor, 20% );
+
+// Text selection
+$selectionBackgroundColor: #FF5E99;
+$selectionColor: #fff;
+
+// Generates the presentation background, can be overridden
+// to return a background image or gradient
+@mixin bodyBackground() {
+	background: $backgroundColor;
+}
--- a/sources/preview_export/reveal/css/theme/template/theme.scss
+++ b/sources/preview_export/reveal/css/theme/template/theme.scss
@ -0,0 +1,163 @@
+// Base theme template for reveal.js
+
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+
+body {
+	@include bodyBackground();
+	background-color: $backgroundColor;
+}
+
+.reveal {
+	font-family: $mainFont;
+	font-size: $mainFontSize;
+	font-weight: 200;
+	letter-spacing: -0.02em;
+	color: $mainColor;
+}
+
+::selection {
+	color: $selectionColor;
+	background: $selectionBackgroundColor;
+	text-shadow: none;
+}
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+	margin: 0 0 20px 0;
+	color: $headingColor;
+
+	font-family: $headingFont;
+	line-height: $headingLineHeight;
+	letter-spacing: $headingLetterSpacing;
+
+	text-transform: $headingTextTransform;
+	text-shadow: $headingTextShadow;
+}
+
+.reveal h1 {
+	text-shadow: $heading1TextShadow;
+}
+
+
+/*********************************************
+ * LINKS
+ *********************************************/
+
+.reveal a:not(.image) {
+	color: $linkColor;
+	text-decoration: none;
+
+	-webkit-transition: color .15s ease;
+	   -moz-transition: color .15s ease;
+	    -ms-transition: color .15s ease;
+	     -o-transition: color .15s ease;
+	        transition: color .15s ease;
+}
+	.reveal a:not(.image):hover {
+		color: $linkColorHover;
+
+		text-shadow: none;
+		border: none;
+	}
+
+.reveal .roll span:after {
+	color: #fff;
+	background: darken( $linkColor, 15% );
+}
+
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+
+.reveal section img {
+	margin: 15px 0px;
+	background: rgba(255,255,255,0.12);
+	border: 4px solid $mainColor;
+
+	box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+
+	-webkit-transition: all .2s linear;
+	   -moz-transition: all .2s linear;
+	    -ms-transition: all .2s linear;
+	     -o-transition: all .2s linear;
+	        transition: all .2s linear;
+}
+
+	.reveal a:hover img {
+		background: rgba(255,255,255,0.2);
+		border-color: $linkColor;
+
+		box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
+	}
+
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+	border-right-color: $linkColor;
+}
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+	border-left-color: $linkColor;
+}
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+	border-bottom-color: $linkColor;
+}
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+	border-top-color: $linkColor;
+}
+
+.reveal .controls div.navigate-left.enabled:hover {
+	border-right-color: $linkColorHover;
+}
+
+.reveal .controls div.navigate-right.enabled:hover {
+	border-left-color: $linkColorHover;
+}
+
+.reveal .controls div.navigate-up.enabled:hover {
+	border-bottom-color: $linkColorHover;
+}
+
+.reveal .controls div.navigate-down.enabled:hover {
+	border-top-color: $linkColorHover;
+}
+
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+
+.reveal .progress {
+	background: rgba(0,0,0,0.2);
+}
+	.reveal .progress span {
+		background: $linkColor;
+
+		-webkit-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
+		   -moz-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
+		    -ms-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
+		     -o-transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
+		        transition: width 800ms cubic-bezier(0.260, 0.860, 0.440, 0.985);
+	}
+
+
--- a/sources/preview_export/reveal/js/reveal.js
+++ b/sources/preview_export/reveal/js/reveal.js
--- a/sources/preview_export/reveal/js/reveal.min.js
+++ b/sources/preview_export/reveal/js/reveal.min.js
--- a/sources/preview_export/reveal/lib/css/zenburn.css
+++ b/sources/preview_export/reveal/lib/css/zenburn.css
@ -0,0 +1,115 @@
+/*
+
+Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
+based on dark.css by Ivan Sagalaev
+
+*/
+
+pre code {
+  display: block; padding: 0.5em;
+  background: #3F3F3F;
+  color: #DCDCDC;
+}
+
+pre .keyword,
+pre .tag,
+pre .django .tag,
+pre .django .keyword,
+pre .css .class,
+pre .css .id,
+pre .lisp .title {
+  color: #E3CEAB;
+}
+
+pre .django .template_tag,
+pre .django .variable,
+pre .django .filter .argument {
+  color: #DCDCDC;
+}
+
+pre .number,
+pre .date {
+  color: #8CD0D3;
+}
+
+pre .dos .envvar,
+pre .dos .stream,
+pre .variable,
+pre .apache .sqbracket {
+  color: #EFDCBC;
+}
+
+pre .dos .flow,
+pre .diff .change,
+pre .python .exception,
+pre .python .built_in,
+pre .literal,
+pre .tex .special {
+  color: #EFEFAF;
+}
+
+pre .diff .chunk,
+pre .ruby .subst {
+  color: #8F8F8F;
+}
+
+pre .dos .keyword,
+pre .python .decorator,
+pre .class .title,
+pre .haskell .label,
+pre .function .title,
+pre .ini .title,
+pre .diff .header,
+pre .ruby .class .parent,
+pre .apache .tag,
+pre .nginx .built_in,
+pre .tex .command,
+pre .input_number {
+    color: #efef8f;
+}
+
+pre .dos .winutils,
+pre .ruby .symbol,
+pre .ruby .symbol .string,
+pre .ruby .symbol .keyword,
+pre .ruby .symbol .keymethods,
+pre .ruby .string,
+pre .ruby .instancevar {
+  color: #DCA3A3;
+}
+
+pre .diff .deletion,
+pre .string,
+pre .tag .value,
+pre .preprocessor,
+pre .built_in,
+pre .sql .aggregate,
+pre .javadoc,
+pre .smalltalk .class,
+pre .smalltalk .localvars,
+pre .smalltalk .array,
+pre .css .rules .value,
+pre .attr_selector,
+pre .pseudo,
+pre .apache .cbracket,
+pre .tex .formula {
+  color: #CC9393;
+}
+
+pre .shebang,
+pre .diff .addition,
+pre .comment,
+pre .java .annotation,
+pre .template_comment,
+pre .pi,
+pre .doctype {
+  color: #7F9F7F;
+}
+
+pre .xml .css,
+pre .xml .javascript,
+pre .xml .vbscript,
+pre .tex .formula {
+  opacity: 0.5;
+}
+
--- a/sources/preview_export/reveal/lib/font/league_gothic-webfont.eot
+++ b/sources/preview_export/reveal/lib/font/league_gothic-webfont.eot
--- a/sources/preview_export/reveal/lib/font/league_gothic-webfont.svg
+++ b/sources/preview_export/reveal/lib/font/league_gothic-webfont.svg
@ -0,0 +1,230 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata></metadata>
+<defs>
+<font id="LeagueGothicRegular" horiz-adv-x="724" >
+<font-face units-per-em="2048" ascent="1505" descent="-543" />
+<missing-glyph horiz-adv-x="315" />
+<glyph horiz-adv-x="0" />
+<glyph horiz-adv-x="2048" />
+<glyph unicode="&#xd;" horiz-adv-x="682" />
+<glyph unicode=" "  horiz-adv-x="315" />
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--- a/sources/preview_export/reveal/lib/font/league_gothic_license
+++ b/sources/preview_export/reveal/lib/font/league_gothic_license
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+SIL Open Font License (OFL)
+http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL
--- a/sources/preview_export/reveal/lib/js/classList.js
+++ b/sources/preview_export/reveal/lib/js/classList.js
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--- a/sources/preview_export/reveal/lib/js/head.min.js
+++ b/sources/preview_export/reveal/lib/js/head.min.js
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+/**
+    Head JS     The only script in your <HEAD>
+    Copyright   Tero Piirainen (tipiirai)
+    License     MIT / http://bit.ly/mit-license
+    Version     0.96
+
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--- a/Show more
+++ b/Show more