wrapper-prefix and wrapper-namespace on p:data

Sigh. There was *no* point in putting wrapper-prefix and
wrapper-namespace on p:data. You can't compute the value of the
wrapper dynamically.

I propose that we remove them.

                                        Be seeing you,
                                          norm

-- 
Norman Walsh <ndw@nwalsh.com> | Anything devised by man has
http://nwalsh.com/            | bureaucracy, corruption and error
                              | hard-wired at inception...I'm surprised
                              | you hadn't figured that out yet.
                              | (Trafford Bradshaw)--Jasper Fforde