Corrections to Sstc-saml-bindings-2.0-draft-16.pdf

Some minor things:

Line 250 - SOAP-PRIMER should be [SOAP-PRIMER].

Line 682-683 - Does not seem this reference to artifact format belongs
here.  Should this not be attached to section 3.6?

Line 1036 - Capitalize first word.

Mike Beach
The Boeing Company