Fixed #8574 -- Made Sitemap a new-style class
Fixed #8574 -- Made Sitemap a new-style class

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%409052

Belgabor/django,Belgabor/django,Belgabor/django