message: updates robot._actuators position using current driver position
diff: @@ -289,6 +289,12 @@ class Robot(object):
  self.clear_commands()
  + # update the position of each Mover
  + self._driver.update_position()
  + for mount in self._actuators.values():
  + for mover in mount.values():
  + self.poses = mover.update_pose_from_driver(self.poses)
  +
  return self
  def turn_on_button_light(self):
  