Working mechanics with bullets and collisions and fun stuff.
Removed GameObjects and GameState from global scope.
Merge branch 'gh-pages'

Conflicts:
	library/js/min/scripts.min.js
	src/lib/Character/Enemy/Alien.coffee
	src/lib/Character/Player/Player.coffee
	src/lib/Environment/Bullet/Bullet.coffee
	src/lib/States/Play.coffee