Kfsti 668

This is the initial PR  for applying the KC CGB overlay project to KC 6.0. It should obviously be reviewed closely.
I would first look at removing the reference altogether.  Does the sponsor object need a reference to the DunningCampaign?  It it does (maybe because the maintenance, inquiry, lookup, etc. needs to display something from it) then mark it @Transient, otherwise just remove it.