Added support for RawPresets that can efficiently generate per-pixel data.  Added "Fireflies" preset to demonstrate.
Streamline Fireflies preset
Fungus preset!  Added pixel and fixture neighbor calculation to Scene.
More interesting Fungus
Documentation and PEP8
Begin work on StarryNight
Merge remote-tracking branch 'origin/master'

Conflicts:
	presets/__init__.py
Tweaks to Fungus and StarryNight
Add Dragons preset.  Add get_pixel_location() to Scene
Optimize Fixture
Fix bug in Dragon; tweaks to Fungus
Add parameters classes
Add parameter support to Preset
Update RGBFade to use a parameter
Add parameters to a few more presets
Merge pull request #12 from craftyjon/feature_preset_parameters

Feature preset parameters
Begin work on GUI
Play/Pause working in GUI
Adding more GUI buttons
Preset list displayed