 Fixes #2086: Added null.css file to avoid spurious 404s due to the "high pass filter" which hides admin CSS from IE5/Win.
 Fixes #2086: Added null.css file to avoid spurious 404s due to the "high pass filter" which hides admin CSS from IE5/Win.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%406197

Belgabor/django,Belgabor/django,Belgabor/django