Load bower dependencies on jsxc initialization

We moved the libraries from jsxc.deb.js

Signed-off-by: Lukas Matt <lukas@zauberstuhl.de>

app/assets/javascripts/jsxc.js

+//= require jquery.slimscroll
+//= require colorbox
+//= require favico.js
+//= require jquery-fullscreen-plugin
 //= require diaspora_jsxc
 
 // initialize jsxc xmpp client

app/assets/stylesheets/application.scss

@@ -77,6 +77,7 @@
 @import 'stream';
 @import 'stream_element';
 @import 'comments';
+@import 'colorbox';
 @import 'diaspora_jsxc';
 @import 'chat';
 @import 'markdown-content';