only creates default 404 and 500 templates if not exist
only creates default 404 and 500 templates if not exist


git-svn-id: fc9ae5cee8d3c1c57aecfb01590d3fdbb3dcb547@32 cfb8ba98-e953-0410-9cff-959ffddf5974

svetlyak40wt/django-dbtemplates