+act #15529 Added scheduling for ActorSelection

I have some issues building akka locally but the SchedulerSpec went through ok. Please review so I didn't manage to screw other stuff up.   

Also I would appreciate tips on how to better write the tickActorOne and tickActorTwo actors in the tests (they are kinda copypasty).
This is deprecated for a reason, we are in the process of removing all instances.