Fixed #11357: contrib.admindocs now correctly displays many-to-many...

Fixed #11357: contrib.admindocs now correctly displays many-to-many relationships. Thanks to Ben Spaulding for the final version of the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11127 bcc190cf-cafb-0310-a4f2-bffc1f526a37