[1.0.X] Fixed #11031 -- Added doc for some additional roles needed when...

[1.0.X] Fixed #11031 -- Added doc for some additional roles needed when testing Oracle. Thanks JirkaV and Matt Boersma.

r10805 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10806 bcc190cf-cafb-0310-a4f2-bffc1f526a37