Better source tree
Integrated PhysicsService in whole system (Collisions not tested yet, but the game have same functionality as before using the new system)
Added new assets and organized them
Added background to main menu
Fixed main menu button color scheme
Changed sprite to getters/setters
Added new setters and getters for position and ideal position
Fixed memoryleak (forgot to delete background texture and sprite)
Added TiledBackground (does not care of zoom yet)
Noew TiledBackground takes care of camera zoom (Note: not sure if it is 100% accurate)
Added texture scaling for TiledBackground for better control
Fixed zoom problem with TiledBackground (parallax effect still does not work)
Fixed parallax effect for TiledBackground
Merge remote-tracking branch 'upstream/master'

Conflicts:
	jni/Physics/PObject.cpp
	jni/Physics/PhysicsService.cpp
Merge remote-tracking branch 'upstream/master'..