Begin work on Aubio integration
Aubio integration mostly working
Add onset_simulator for developing beat-responsive presets without the audio server
Add global dimmer to GUI
Add onset indicator to GUI
Onsets can cause transitions
Added RadialGradient to demonstrate responding to onset events
Depend on noise module for fast simplex noise
Add some interesting transitions
Linting
Merge branch 'feature_aubio'

Conflicts:
	presets/simplex_noise.py