[1.2.X] Fixed #14376 -- added docs for previously undocumented Brazilian...

[1.2.X] Fixed #14376 -- added docs for previously undocumented Brazilian localflavor fields. Thanks to henriquebastos for the report and patch.

Backport of [14229] from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14230 bcc190cf-cafb-0310-a4f2-bffc1f526a37