Added User welcome message.
Added templates/soc/mail/welcome.html as a template for the message.
Also fixed a cyclic import that was about to happen in notifications.py.
def create_spatial_db(test=True, verbosity=1, autoclobber=False):
if not test: raise NotImplementedError('This uses `create_test_db` from test/utils.py')
from django.db import connection
connection.creation.create_test_db(verbosity, autoclobber)