More ColorMap work
- Convert named colors from strings to JSON
- Create JSON for NetLogo RGB named colors
- Update colormap sketch
- Add options object for color object to add/remove color formats
- Use options object in colormaps
- Standalone comments: to show how to remove Util dependencies
- Convert HSB map to use same args style as RGB
- All colormap ctors have associated array constructors, more modular
Merge branch 'master' into gh-pages