Implemented some actions
(Sth. is wrong with come to front/Go n steps back)
Implemented Actions; Bugfixes.

Note: Current Execution of blocks runs on Main Thread.. Therefore again
poor performance. Running them on sepearte queues should solve the
problem..
Some Debugging / Changed Dispatch_group to NSOperationQueue in BroadcastWaitHandler
iOS 7 Beta 2 - Fixed Status Bar.