I worked with Rob and asked him if it would be okay to republish his content under GPL. 
His exact words were "Go ahead! I don't give a F*@k!"
The Creative Conent License or General Public License are trivial. 
Its republished under GPL
http://robg3d.com/

The Blender version-2 simply re-targets it to the new Standard Humanoid Rig.
- Dean Bouvier (05/29/2012)