added persistance_dict attribute to msg via Reporters app
added persistance_dict attribute to msg via Reporters app

peristance_dict contains a { reporter: # } pair if the message sender is
an identified reporter, or a { connection: # } pair if not. this allows
other apps to link stuff to a caller, using the best information we
have.

catalpainternational/rapidsms,lsgunth/rapidsms,caktus/rapidsms,caktus/rapidsms,peterayeni/rapidsms,eHealthAfrica/rapidsms,lsgunth/rapidsms,peterayeni/rapidsms,lsgunth/rapidsms,lsgunth/rapidsms,catalpainternational/rapidsms,unicefuganda/edtrac,unicefuganda/edtrac,catalpainternational/rapidsms,eHealthAfrica/rapidsms,unicefuganda/edtrac,ehealthafrica-ci/rapidsms,eHealthAfrica/rapidsms,ken-muturi/rapidsms,dimagi/rapidsms,ken-muturi/rapidsms,ehealthafrica-ci/rapidsms,ehealthafrica-ci/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms,ken-muturi/rapidsms,dimagi/rapidsms,caktus/rapidsms,peterayeni/rapidsms