message: 'disconnect' and 'emergency_stop' services return true when finished
diff: @@ -631,7 +631,7 @@ public:
  ROS_ERROR("An exception was caught: %s", e->what());
  res.success = false;
  res.message = e->what();
  - return false;
  + return true;
  }
  res.success = true;
  @@ -661,7 +661,7 @@ public:
  ROS_ERROR("An exception was caught: %s", e->what());
  res.success = false;
  res.message = e->what();
  - return false;
  + return true;
  }
  ROS_INFO("Disconnected");
  