Add direct link to API-KEY in tutorial
Add direct link to API-KEY in tutorial

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