rockmasstech

Fix publishing ordered pointcloud messages as unordered

2

### **Problem** Related to [Issue 163](https://github.com/microsoft/Azure_Kinect_ROS_Driver/issues/163) On the latest **melodic branch**, when subscribing to the `/points2` pointcloud topic, the received [`sensor_msgs::PointCloud2`](http://docs.ros.org/en/melodic/api/sensor_msgs/html/msg/PointCloud2.html) messages are unordered (i.e. height = 1). In my...