Fixed FacebookPageLikeObserver
Merged FacebookUtils file from new-ui branch.

Fixes getUserID method.
Merge branch 'master' into observer

Conflicts:
	app/scripts/Observers/Facebook/FacebookUtilities.coffee
Merge branch 'bugfix-FacebookPageLikeObserver' into observer

Conflicts:
	app/scripts/Observers/Facebook/FacebookPageLikeObserver.coffee