Fixed #6419 -- Fixed verbosity level checks in loaddata command that were...

Fixed #6419 -- Fixed verbosity level checks in loaddata command that were raised to unobtainable levels in [6883].


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7037 bcc190cf-cafb-0310-a4f2-bffc1f526a37