[enh] Use separate file so store master key.

.gitignore

@@ -1,5 +1,8 @@
 *.swp
 
+# Master Key
+master.key
+
 # Thin server files
 log/*
 tmp/*

dynette.cron.py

@@ -8,7 +8,6 @@ subs_urls = ['http://dyndns.yunohost.org']  # 127.0.0.1 if you install subscribe
 ns0       = 'ns0.yunohost.org'          # Name servers
 ns1       = 'ns1.yunohost.org'
 rname     = 'hostmaster@yunohost.org' # Responsible person (https://tools.ietf.org/html/rfc1035#section-3.3.13)
-master_key= 'abcdef123456'
 
 allowed_operations = {
             '.'                  : ['A', 'AAAA', 'TXT', 'MX'],
@@ -30,6 +29,7 @@ from urllib import urlopen
 lines = ['// Generated by Dynette CRON']
 for url in subs_urls:
 
+    master_key = open('./master.key').read().rstrip();
     lines.extend([
             'key dynette. {',
             '       algorithm hmac-md5;',