Fixed #7558 -- Added missing svn:ignore property on some directories that were...

Fixed #7558 -- Added missing svn:ignore property on some directories that were missing it. Thanks to Marc Garcia for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7972 bcc190cf-cafb-0310-a4f2-bffc1f526a37