Added pulsetrain mode to oscillator
Removed junk from Makefile
Drum machine speed improvements
Merge remote-tracking branch 'origin/master' into android-master

Conflicts:
	Makefile
Fixed reverb to begin with zero gain
Fixed ordering bugs in the scheduler

Queue was sorting out of order, and added an index to ensure determenistic first
in/first out
Merge remote-tracking branch 'origin/master' into android-master
Typo fix in function name, ADSR fix