Key height fix

Hopefully fixed key spacing issue
Fixed font size for countdown timer
Fixed keys

Keys should be fixed; canvas bug may still be apparent
Merge branch 'tw' of https://github.com/soundsplosion/SoundSplosion into tw

Conflicts:
	app/assets/templates/countdown.html
Fixed canvas initialization bug
Committing on behalf of TW. Fixed some issues with the piano roll. More to follow.
Merge pull request #18 from soundsplosion/tw

Piano roll mostly fixed