revisions, annotations, elaborations, or other modifications represent, as a 
whole, an original work of authorship. For the purposes of this License, 
Derivative Works shall not include works that remain separable from, or 
merely link (or bind by name) to the interfaces of, the Work and Derivative 
Works thereof. 

"Contribution" shall mean any work of authorship, including the original 
version of the Work and any modifications or additions to that Work or