Merge pull request #16 from soundsplosion/tw

Key height fix
Merge branch 'develop' of https://github.com/soundsplosion/SoundSplosion into develop
Remove textarea in track page & Add username to each track
Add join button to competition page
Add join button to competition page
Merge pull request #19 from soundsplosion/jy

Improve competition page
Merge remote-tracking branch 'origin/develop' into tg