core: Allow owned refs to parent container
core: Allow owned refs to parent container

jku/rygel,Tarnyko/rygel,GNOME/rygel,Tarnyko/rygel,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,luisbg/rygel,GNOME/rygel,jku/rygel,Pelagicore/Media-Manager-Rygel-patched