Added key field definitions to the User logic
Added key field definitions to the User logic

This is the first part of making the User views generic.

--HG--
extra : convert_revision : svn%3A32761e7d-7263-4528-b7be-7235b26367ec/trunk%40974

rhyolight/nupic.son,rhyolight/nupic.son,rhyolight/nupic.son