[1.0.X] A whole lotta documentation fixes, backported from r10303 on trunk.

I got my commit message cut off the first try, but luckily I get to still thank Kevin Kubasik for rolling all these fixes up into a single easy patch.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10306 bcc190cf-cafb-0310-a4f2-bffc1f526a37