get rid of RCS_ID
as shortly discussed with David and Manuel
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@37929 72102866-910b-0410-8b05-ffd578937521
* GSWeb/GSWComponent.m
* GSWeb/GSWConstants.[h|m]
* GSWeb/GSWFileUpload.m
* GSWeb/GSWRequest.m
* GSWeb/GSWResourceRequestHandler.m
* GSWeb/GSWResponse.m
introduce some new string constants to GSWConstants
and use them more consistently
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@36743 72102866-910b-0410-8b05-ffd578937521