collision stuff and some code refactoring
Merge branch 'master' of https://github.com/ialvarad12/BrickBreakerPong

Conflicts:
	BrickBreakerPong/BrickBreakerPong.v12.suo
	BrickBreakerPong/BrickBreakerPong/bin/Debug/AppX/BrickBreakerPong.exe
	BrickBreakerPong/BrickBreakerPong/bin/Debug/AppX/vs.appxrecipe
	BrickBreakerPong/BrickBreakerPong/bin/Debug/BrickBreakerPong.exe
	BrickBreakerPong/BrickBreakerPong/bin/Debug/BrickBreakerPong.pdb
	BrickBreakerPong/BrickBreakerPong/obj/Debug/AboutPage.g.i.cs
	BrickBreakerPong/BrickBreakerPong/obj/Debug/BrickBreakerPong.exe
	BrickBreakerPong/BrickBreakerPong/obj/Debug/BrickBreakerPong.pdb
	BrickBreakerPong/BrickBreakerPong/obj/Debug/intermediatexaml/BrickBreakerPong.exe
	BrickBreakerPong/BrickBreakerPong/obj/Debug/intermediatexaml/BrickBreakerPong.pdb