core: Constant for ContentDirectory v1
core: Constant for ContentDirectory v1

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