ros: load ROS UObject if relevant (module compiled and ROS_ROOT defined).
ros: load ROS UObject if relevant (module compiled and ROS_ROOT defined).

	* share/urbi/urbi.u: Here.

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