[1.2.X] Fixed #13495 -- Refactored the localflavor test directory to provide...

[1.2.X] Fixed #13495 -- Refactored the localflavor test directory to provide the placeholder structure for other flavors. Thanks to chronos for the report and patch.

Backport of r13505 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13506 bcc190cf-cafb-0310-a4f2-bffc1f526a37