Made the Defeat Screen better, more efficient, and tell you your credits.

Signed-off-by: jawillia <jawawilliams@gmail.com>
Merge branch 'master' of https://github.com/kevinfoley/BlueCometGames.git

Conflicts:
	src/com/bluecometgames/asteroidwars/CollisionManager.as
	src/com/bluecometgames/asteroidwars/ui/DefeatScreen.as