Added some comments
changed to fullscreen
Merge remote-tracking branch 'origin/collision_state'

Conflicts (solved):
	Game/Game/BackgroundTerrain.cpp
	Game/Game/Boss.h
	Game/Game/GameEngine.cpp
	Game/Game/OpponentTank.h
	Game/Game/WorldObject.h
Merge remote-tracking branch 'origin/master' into mesh

Conflicts:
	Game/Game/Boss.h
	Game/Game/OpponentTank.h
fixed some collision issues
Merge branch 'master' into mesh
some tweaks