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/

"Decorator for views that gzips pages if the client supports it."

from django.utils.decorators import decorator_from_middleware
from django.middleware.gzip import GZipMiddleware

gzip_page = decorator_from_middleware(GZipMiddleware)