In urlconfs, include() may now be used on an iterable of patterns instead of...

In urlconfs, include() may now be used on an iterable of patterns instead of just a module string. Refs #6470 -- making the admin use a urlconf is much easier with this work done. Thanks, Alex Gaynor.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9728 bcc190cf-cafb-0310-a4f2-bffc1f526a37