Do not throw if everything went well.

Conflicts:

	src/obstacle.impl.cc
Replace Configuration corba structure by vector

  No need anymore of a specific structure to manipulation object positions: for
  instance,
  >>> cl.obstacle.moveObstacle (obstacleName, [1,2,3,.5,0,.5,0])
  where the 3 first values represent the translation and the four last values
  represent a unit quaternion.