Earlier version did, why current doesn't? I need that for the deja-dup bump. Can we get this installed with gnome-base/gnome-control-center?
Upstream very deliberately removed the ability to create third-party control center panels. Complain to Bastien Nocera. http://git.gnome.org/browse/gnome-control-center/commit/?id=606b6fd88d52268b4e7720e18035fe947df030cb