Added Joplin notes to wishlist

apps_wishlist.md

@@ -61,7 +61,7 @@ The following list is a compiled wishlist of applications that would be nice-to-
 - [Granary](https://github.com/snarfed/granary)
 - [Guacamole](http://guac-dev.org)
 - [h5ai](http://larsjung.de/h5ai)
-- [HackMD CE](https://github.com/hackmdio/hackmd)
+- [HackMD](https://hackmd.io)
 - [Hackpad](https://github.com/dropbox/hackpad)
 - [Headphones](https://github.com/rembo10/headphones)
 - [Hi Buddy](https://github.com/tOkeshu/hibuddy) (/!\ last update: 17 Feb 2015)
@@ -74,6 +74,7 @@ The following list is a compiled wishlist of applications that would be nice-to-
 - [Invoice Ninja](https://www.invoiceninja.com)
 - [InvoicePlane](https://invoiceplane.com)
 - [IPFS](https://ipfs.io)
+- [Joplin](http://joplin.cozic.net/)
 - [JS Bin](http://jsbin.com/help/2-second-setup)
 - [Kaiwa](http://getkaiwa.com)
 - [Keepass](http://keepass.info)
@@ -132,7 +133,6 @@ The following list is a compiled wishlist of applications that would be nice-to-
 - [Request Tracker](https://bestpractical.com)
 - [Respawn 2.0](https://github.com/broncowdd/respawn) ( /!\ last update: 2015)
 - [Restya](http://restya.com)
-- [SABnzbd](https://sabnzbd.org)
 - [Scramble, Browser-based PGP web mail](https://github.com/dcposch/scramble)
 - [Scribbleton](https://scribbleton.com)
 - [ShareLatex](https://www.sharelatex.com)
@@ -165,4 +165,4 @@ The following list is a compiled wishlist of applications that would be nice-to-
 - [ZeroTier](https://github.com/zerotier/ZeroTierOne)
 - [ZNC](http://wiki.znc.in/ZNC)
 - [Zone-project](https://github.com/descl/ZONE)
-- [Zoneminder](https://github.com/ZoneMinder/zoneminder)
+- [Zoneminder](https://github.com/ZoneMinder/zoneminder)