- Added a basic game over screen and an option to restart.
- Added basic health, and made spikes hurt you
- Points have all been rewritten and are now objects.
Merge branch 'master' of https://github.com/brdunfield/GGJ2014

Conflicts:
	engine.js
Merge branch 'master' of https://github.com/brdunfield/GGJ2014

Conflicts:
	engine.js