add visible of instance and removing instance from scene
little fixes
MF-50 Refactor scene Separate Scene to RenderScene and DisplayScene
MF-50 Refactor scene
MF-50 Refactor scene Set new bounds
MF-50 Refactor scene
MF-50 Refactor scene
MF-50 Refactor scene
MF-50 Refactor scene
Merge branch 'master' into MF-49

Conflicts:
	src/com/merlinds/miracle/RenderScene.as
MF-50 Refactor scene