Fixes bug in scheduler.async.once() where events were being fired immediately.
Fixes a bug in async.scheduler.once() where all callbacks fire at the same time.
Simplification and clarification of Firefox output algorithm.
Updates comments for flock.interleavedWriter().
Updates sheep version.
Adds Delay, Decay, and WhiteNoise unit generators.
Merge branch 'delay-decay-whitenoise'

* delay-decay-whitenoise:
  Adds Delay, Decay, and WhiteNoise unit generators.
Merge branch 'master' into dspapi

* master:
  Adds Delay, Decay, and WhiteNoise unit generators.
  Updates sheep version.
  Updates comments for flock.interleavedWriter().
  Simplification and clarification of Firefox output algorithm.
  Fixes a bug in async.scheduler.once() where all callbacks fire at the same time.
  Fixes bug in scheduler.async.once() where events were being fired immediately.

Conflicts:
	tests/flocking/js/ugen-test.js
Added TODOs prior to merge.