Accept any args or kwargs in the 404 view

Should fix using that view for feeds when we need
to turn them off.

kitsune/sumo/views.py

@@ -83,7 +83,7 @@ def handle403(request):
         status=403)
 
 
-def handle404(request):
+def handle404(request, *args, **kwargs):
     """A handler for 404s"""
     return render(request, 'handlers/404.html', status=404)