moved css to separate style.css
added collideSelf
added focus to game over link; now user can press enter to restart
removed addTo method
implemented remaining apples
implemented automatic random apple generation with min and max
memoized remainingApples to improve performance
fixes last commit
fixed: memoize countRemainingApples
bugfix: fixes last commit
Merge pull request #1 from alokm/master

new features