Add web based python shell to Melange. It is accessible via http://host/admin/shell url and requires developer rights. Shell project is part of google-app-engine-samples. This commit moves django configuration from main.py to separate gae_django.py module. Shell project has been modified in order to work correctly with django 1.0+. Build script has been updated and includes shell folder and gae_django.py file. http://code.google.com/p/google-app-engine-samples/source/browse/trunk/shell/

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)