Type fix for creating an app. Refs #42
Type fix for creating an app. Refs #42

The Boolean type in PostgreSQL was a problem for the hidden field in the
Application.

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