[1.1.X] Fixed #7977: Fixed admindocs to use docstrings instead of a static...

[1.1.X] Fixed #7977: Fixed admindocs to use docstrings instead of a static array to locate type information. Thanks J. Clifford Dyer. 

r11833 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@11834 bcc190cf-cafb-0310-a4f2-bffc1f526a37