Fix volUp & volDown: did not refer to the setVol function properly
Add gel numbers to the lights on the design
Update defaultCan to only make use of ctx.save() and ctx.restore()
Keyboard event now passed into keypress functions

R now requires shift to ne help to activate
Change gel grid so it covers rigger.width instead of riiger.LS.width
Optimise some code in objects.js
Audio keys need to be strings so the closure compiler will not rename them
Add how to play section

Needs to be filled in
Cap frame delta at 80ms
Lights now have beams when placed on the bar
Fix bug that caused the bar & lights to be see-through on victory screen
Merge remote-tracking branch 'origin/master' into build