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/

"""

This is a urlconf to be loaded by tests.py. Add any urls needed
for tests only.

"""
from django.conf.urls.defaults import *
from django.contrib.formtools.tests import *

urlpatterns = patterns('',
                       (r'^test1/', TestFormPreview(TestForm)),
                      )