UObject: Fix initialization problems.
UObject: Fix initialization problems.

	* src/kernel/uobject.cc (uobject_new): set the rObject in
	place sooner.
	(newUObjectClass): Delegate slot set to uobject_new.

urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,aldebaran/urbi