Shoutbox Trigger + Counter

* added a sup counter element to the shoutbox tab to display the shouts beeing made in the shoutbox
* added 4 new hooks before/after update/archive
* changed getShouts API to return total amount of shouts
* added new method to get all shouts for a single article id
* added new icon to statebar to display the number of shouts
* some cc

Change-Id: Iabd571f95874a18f17c6ee5c0bfaab9de5fc5653
Merge "Shoutbox Trigger + Counter"