Add DrawingPrimitives.py in nodebox-lib
Add LEFT, RIGHT to nodebox.graphics namespace.
drawpath use named param for path.
Add _ctx for compatibility with older nodebox bots.
Add LEFT/RIGHT to data
LEFT/RIGHT/HSB added to __init__
Re-enable cmyk in colors..

http://rants.scribus.net/2006/06/03/why-no-cmyk-in-gimp-is-a-good-thing-now/
Add current directory to sys.path for nodebox ximport
Uncomment cmyk - for nodebox evolution demo.