Added basic Gameover screen. Sounds tbd.
Gameover screen now shows on death.
Fixes
Merge branch 'master' of github.com:svenstaro/gamejam
Merge branch 'master' of github.com:svenstaro/gamejam
Added sound to gameover screen.
Merge branch 'master' of github.com:svenstaro/gamejam

Conflicts:
	GGJ2013/src/main.lua
Merge branch 'master' of github.com:svenstaro/gamejam