Merge pull request #17 from garethleonard/master

SFX updates
Game Over implemented. Level increments (for temporary completion)
implemented. Too Sexy High Score state implemented.
Merge branch 'master' of git@github.com:klords/ser-215-asteroids.git

Conflicts:
	Asteroids/src/gamestate/LevelState.java
	Asteroids/src/gamestate/MenuState.java
Sync
fixed merge errors
Ship select added
Fixed merge conflicts