Added deploy file for Heroku
Fix performance.now() issue on browsers other than Chrome
Included correct Karma dev configuration and OSX reporters
Distance computations
First collision pass based on fixed distance
Embiggened the ship
Corrected asteroid drawing and added collision highlighting for ship
Handled Escape key for pause / resume
Random asteroid generation
Also embiggened asteroids
Corrected tests not passing
Updated CoffeeScript version to 1.6.3
Preparations for viewport
Objects outside the game surface are moved to the other side
Game surface is bigger than the viewport
Viewport now follows the ship
Merge branch 'asteroids'
Merge branch 'collisions'
Merge branch 'screens'