Scoring working, I think. After three crashes, the game goes to the Credits screen. I changed the Back button on that screen to actually reset the page, so that when you click on New Game, it will actually reset everything.
Fixed minor bug and changed Credits back button to reload the game
Merge branch 'scoringStuff' of https://github.com/pdblad/CS5410

Conflicts:
	Asteroids/scripts/gameplay.js