Fix pa.update_project().
Fix pa.update_project().

Don't allow the name to be changed. It is well-understood that a
project name cannot be changed. Eliminate all project name handling.

tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal