Remove server handlers on dispose
Remove server handlers on dispose

GUPnPService should remove all handlers installed on the
shared SoupServer instance when it is disposed.

Signed-off-by: Sven Neumann <082b688ad1df15a85cd4e0d35bae9067e5474d70@raumfeld.com>

GNOME/gupnp,GNOME/gupnp,GNOME/gupnp,GNOME/gupnp