Replace HomeSettings with Presence Model class. Replace SiteSettings with
Site Model class. Derive Group Model class from Presence, adding the "home
page settings" properties in a Melange site presence to every Group.
Patch by: Todd Larsen
def create_spatial_db(test=True, verbosity=1, autoclobber=False):
"A wrapper over the Oracle `create_test_db` routine."
if not test: raise NotImplementedError('This uses `create_test_db` from db/backends/oracle/creation.py')
from django.db import connection
connection.creation.create_test_db(verbosity, autoclobber)