Replaces IK service response from deprecated joint_positions.msg to sensor_msgs/joint_state reflecting robot IK service update to use this message type.
Removes deprecated JointPositions.msg. This message has been replaced with the generic JointCommand.msg for communicating joint position commands. IK service reponse has replaced JointPosition.msg with sensor_msgs/JointState.msg.
Removing JointPositions.msg from generated messages.
Merge pull request #25 from RethinkRobotics/ik_srv_update

IK service response update