message: consistently renamed object-> centering in marker script
diff: #!/usr/bin/env python
  -""" This simple script creates an interactive marker for changing desired object frame pose of
  - dual-panda coupling controller. It features also resetting the marker to current "middle pose"
  - of left and right endeffectors.
  +""" This simple script creates an interactive marker for changing desired centering pose of
  + two the dual_panda_cartesian_impedance_example_controller. It features also resetting the
  + marker to current centering pose between the left and the right endeffector.
  """
  import rospy
  @@ -17,7 +17,7 @@ from std_msgs.msg import Bool
  marker_pose = PoseStamped()
  -object_frame_ready = False
  +centering_frame_ready = False
  has_error = False
  left_has_error = False
  @@ -46,7 +46,7 @@ def make_sphere(scale=0.3):
  def publish_target_pose():
  """
  - This function publishes desired object frame pose which the controller will subscribe to.
  + This function publishes desired centering pose which the controller will subscribe to.
  :return: None
  """
  marker_pose.header.stamp = rospy.Time(0)
  @@ -75,16 +75,16 @@ def right_has_error_callback(msg):
  has_error = left_has_error or right_has_error
  -def object_frame_pose_callback(msg):
  +def centering_pose_callback(msg):
  """
  - This callback function sets the marker pose to the object frame pose from a subscribed topic.
  + This callback function sets the marker pose to the current centering pose from a subscribed topic.
  :return: None
  """
  - global object_frame_ready
  + global centering_frame_ready
  global marker_pose
  marker_pose = msg
  - object_frame_ready = True
  + centering_frame_ready = True
  def reset_marker_pose_blocking():
  @@ -93,20 +93,20 @@ def reset_marker_pose_blocking():
  :return: None
  """
  - global object_frame_ready
  + global centering_frame_ready
  global marker_pose
  - object_frame_ready = False
  + centering_frame_ready = False
  - object_frame_pose_sub = rospy.Subscriber(
  + centering_frame_pose_sub = rospy.Subscriber(
  "dual_arm_cartesian_impedance_example_controller/centering_frame",
  - PoseStamped, object_frame_pose_callback)
  + PoseStamped, centering_pose_callback)
  # Get initial pose for the interactive marker
  - while not object_frame_ready:
  + while not centering_frame_ready:
  rospy.sleep(0.1)
  - object_frame_pose_sub.unregister()
  + centering_frame_pose_sub.unregister()
  def process_feedback(feedback):
  @@ -150,7 +150,7 @@ if __name__ == "__main__":
  # Set marker pose to be the current "middle pose" of both EEs
  reset_marker_pose_blocking()
  - # Initialize publisher for publishing desired object frame pose
  + # Initialize publisher for publishing desired centering pose
  pose_pub = rospy.Publisher(
  "dual_arm_cartesian_impedance_example_controller/centering_frame_target_pose",
  PoseStamped,
  