moved the AirtimePins model to the newly created airtime app
moved the AirtimePins model to the newly created airtime app

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