Fixed #14959 - Add a link to localflavor in the model field docs. Thanks PaulM...

Fixed #14959 - Add a link to localflavor in the model field docs. Thanks PaulM for the suggestion, elbarto for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15096 bcc190cf-cafb-0310-a4f2-bffc1f526a37