fix pull to pull from remote's gh-pages branch
fix pull to pull from remote's gh-pages branch

mapkibera/map-kibera-schools,devgateway/map-kibera-schools,pmk25/map-kibera-schools,pmk25/map-kibera-schools,devgateway/map-kibera-schools,pmk25/map-kibera-schools,mapkibera/map-kibera-schools,devgateway/map-kibera-schools,mapkibera/map-kibera-schools,pmk25/map-kibera-schools,mapkibera/map-kibera-schools,devgateway/map-kibera-schools