Moved is_featured property to Document
Only Documents can be featured in the sidebar, as such it makes sense
to have this property in the Document model.
Patch by: Sverre Rabbelier
"""
Create a superuser from the command line. Deprecated; use manage.py
createsuperuser instead.
"""
if __name__ == "__main__":
from django.core.management import call_command
call_command("createsuperuser")