Annoying Beep

ALex's changes to get rid of click at the end of sound. I also changed
the type of oscillator from 0 to 1, which increases the volume.
comments for type of wave
comments
comments and test update of webaudio

test new calls for webaudio, get new chrome to use these.
start ~~ noteON
stop ~~ noteOFF
Merge pull request #1 from nicklmarks/master

this pull request fixes pops
fixed conflicts and added instruments