added remove renderable from batch, added ParticleCollisionRegistry along with ParticleContanct
Merge https://github.com/justinryder/InfiniteScroller
Merge https://github.com/justinryder/InfiniteScroller
Merge https://github.com/justinryder/InfiniteScroller
game screen
Merge https://github.com/justinryder/InfiniteScroller

Conflicts:
	AngularScroller/app/js/controllers.js
	AngularScroller/app/partials/game.html