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/

from django.core.management.base import AppCommand

class Command(AppCommand):
    help = 'Prints the SQL statements for resetting sequences for the given app name(s).'
    output_transaction = True

    def handle_app(self, app, **options):
        from django.db import connection, models
        return u'\n'.join(connection.ops.sequence_reset_sql(self.style, models.get_models(app))).encode('utf-8')