[DF-1469] Recovered code which checks sprites last modification date before launching MD5 calculations. (reverse-merged from commit 8575055f3f3df9046ff1e509dc1294996a499fb6)
[DF-1622] - Particle Emitters are moved correctly inside/between Particle Layer.
Merge remote-tracking branch 'origin/to_master' into DAVA_to_master_qa

Conflicts:
	Sources/Internal/Debug/UIDismissionHandlerAlertView.mm
	Sources/Tools/TexturePacker/ResourcePacker2D.h
	Tools/ResourceEditor/Classes/Qt/DockParticleEditor/ParticlesEditorController.cpp
Merge remote-tracking branch 'origin/to_master' into DAVA_to_master_qa
[DF-1469] ResourcePacker binary update.
[DF-1469] Resource Packer binary for Win32.
[DF-1582] ActionComponent responds to switch event. ActionComponent actions editor for the ResourceEditor
Merge remote-tracking branch 'origin/to_master_qa' into DAVA_to_master