Updated submodule default-theme ref after merging to master
Updated submodule default-theme ref after merging to master

proyectos-analizo-info/pybossa-analizo-info,jean/pybossa,proyectos-analizo-info/pybossa-analizo-info,proyectos-analizo-info/pybossa-analizo-info,Scifabric/pybossa,PyBossa/pybossa,jean/pybossa,stefanhahmann/pybossa,PyBossa/pybossa,Scifabric/pybossa,OpenNewsLabs/pybossa,harihpr/tweetclickers,harihpr/tweetclickers,stefanhahmann/pybossa,inteligencia-coletiva-lsd/pybossa,geotagx/pybossa,geotagx/pybossa,inteligencia-coletiva-lsd/pybossa,OpenNewsLabs/pybossa