Game  over screen and restart
Merge branch 'master' of https://github.com/eolhing/AbsoluteZero

Conflicts:
	Assets/testScene.unity
Merge branch 'master' of https://github.com/eolhing/AbsoluteZero

Conflicts:
	Assets/Level.js
	Assets/testScene.unity
Merge branch 'master' of https://github.com/eolhing/AbsoluteZero