[1.0.X] Fixed #9275: Extended the Oracle date format to allow DATE columns to...

[1.0.X] Fixed #9275: Extended the Oracle date format to allow DATE columns to be used with DateTimeFields, especially when using legacy databases. Thanks to hollerith for the patch. Backport of [9779] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9780 bcc190cf-cafb-0310-a4f2-bffc1f526a37