Don't use localized name for the config dir
Don't use localized name for the config dir

Just use "Rygel" for config path name instead of
GLib.Environment.get_application_name() which returns localized name.

Close https://gitlab.gnome.org/GNOME/rygel/issues/118

GNOME/rygel,GNOME/rygel,GNOME/rygel