Add getAltResponseIfNotLoggedIn() and getAltResponseIfNotDeveloper() simple
view helpers. These cannot go into response_helpers.py because they create
a circular reference with simple.py, and Django view import fails.
Review URL: http://codereviews.googleopensourceprograms.com/602
class_prepared = object()
pre_init= object()
post_init = object()
pre_save = object()
post_save = object()
pre_delete = object()
post_delete = object()
post_syncdb = object()