[Web-SIG] code copyright for the spec on wsgi.org

[Ian Bicking]

Manlio Perillo wrote:
> I know that this is a "legal detail", but I don't see any copyright 
> notices in the specs at http://wsgi.org/wsgi/Specifications/
> 
> 
> Maybe they should be added.

I added a general note that everything there is public domain, as I 
think that fits the goals of that section.  I wrote the routing_args 
code specifically, and consider it public domain.

   Ian