added tree to default apps
added tree to default apps

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