Added observer for general chat with people who are not your friends
Fixed like observer on timeline like/unlike interaction
Fixed wrong like interaction when clicking on Reply button to comment
Fixed plaintext interaction in comment observer. Now uses hashing function
Fixed delete status observer. Now uses like observer to determine deleted object
Merge remote-tracking branch 'origin/bugfixes-facebook-observers' into new-ui

Conflicts:
	app/scripts/Observers/Facebook/FacebookDeleteStatusObserver.coffee
	app/scripts/Observers/Facebook/FacebookLikeObserver.coffee
increase version number to 2.0.4