Added query methods in project repository
Added query methods in project repository

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