Documentation about tutorials. Closes #147
Documentation about tutorials. Closes #147

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