Creates a new DBusObjectManagerServer object.
The returned server isn't yet exported on any connection. To do so, use set_connection. Normally you want to export all of your objects before doing so to avoid <ulink url="http://dbus.freedesktop.org/doc/dbus-specification.html#standard-interfaces-objectmanager" >InterfacesAdded</ulink> signals being emitted.
| object_path | 
                 The object path to export the manager object at.  | 
            
| 
                 A DBusObjectManagerServer object. Free with unref.  |