Added method for saving categories
Added method for saving categories

inteligencia-coletiva-lsd/pybossa,Scifabric/pybossa,PyBossa/pybossa,jean/pybossa,stefanhahmann/pybossa,inteligencia-coletiva-lsd/pybossa,geotagx/pybossa,OpenNewsLabs/pybossa,OpenNewsLabs/pybossa,PyBossa/pybossa,Scifabric/pybossa,jean/pybossa,stefanhahmann/pybossa,geotagx/pybossa