Make forms generic
Currently only Sponsor uses the new generic forms, as such this
makes the form code more complex. The other forms, however, can
be converted in a similar way, which will result in a lot of
code reduction.
Patch by: Sverre Rabbelier
A list of bugs is available in the Google App Engine SDK project on Google Code.
Please visit http://code.google.com/p/googleappengine for more details.