Fixed instrument id.
Merge branch 'master' of https://github.com/72lions/StepDaddy

# By David Lindkvist
# Via David Lindkvist
* 'master' of https://github.com/72lions/StepDaddy:
  added labels and colors
  added labels to tracks
  added track instrument name

Conflicts:
	clients/sequencer/scripts/sequencer.js