Updated namespace documents

When we published the XProc REC, we forgot to update the namespace
documents. Might as well try to get them up-to-date before we publish
them.

Submitted for your inspection...

http://www.w3.org/XML/XProc/docs/ns-xproc.html
http://www.w3.org/XML/XProc/docs/ns-xproc-step.html
http://www.w3.org/XML/XProc/docs/ns-xproc-error.html

                                        Be seeing you,
                                          norm

-- 
Norman Walsh
Lead Engineer
MarkLogic Corporation
www.marklogic.com