Castle Story 0.2.2 b481

Update log:

Added over the code from core for the UnscaledDeltaTime for the StateMachines.This code will have to be pulled up soon in the core
Added pause menu, as in the current master, to release
Added The Void at the bottom of the map to eat any falling objects out of existance
Fixed #1464 by cleaning the static detectives and also properly fixes the issue with leaking arrows fixed in 06e95b939.
Fixed bricktrons being deleted breaking existing survival behaviours.
Fixed NullReferenceException in Fleche.AppliquerPhysiques.
Fixed Pause
Fixed save thumbnails while paused
Fixed screenshots while paused
Fixed to get thumbnails to work in pause
Fixes issues #1448. We now let the save code handle file management.
Upgrade of the core to add the UnscaledDeltaTime for the State machines