Merge pull request #544 from ebraminio/master

Update Persian translation
dependencies update
handle null categories
switch to bonecp
readme update
fix javax.net.ssl.SSLProtocolException: handshake alert:
unrecognized_name (fix #549)
stable enough, time to tag
1.5.0-snapshot
angularjs update
load angular main js file first
wicket upgrade
if link is empty, use guid instead if able (fix #551)
instantiate whitelist only once
dependencies update
Create _dark.scss

new theme
update

forgot to enclose in #theme {}
Update app.scss

added theme entry
Update controllers.js

added theme entry
Merge pull request #552 from ekovi/patch-2

_dark.scss
Merge pull request #553 from ekovi/patch-3

Update app.scss