logging node added

modules/catkin_ws/src/car/src/ultrasonic/ultrasonic.cpp

-#include <pluginlib/class_list_macros.h>
-#include <ros/ros.h>
-
-#include "ultrasonic/ultrasonic.h"
-
-#include "car/ussDataMsg.h"
-
-PLUGINLIB_EXPORT_CLASS(car::Ultrasonic, nodelet::Nodelet);
-
-namespace car
-{
-	Ultrasonic::Ultrasonic(ros::NodeHandle &nh, std::string &name) : nh_(nh), name_(name) {}
-	Ultrasonic::Ultrasonic() {}
-	Ultrasonic::~Ultrasonic() {}
-	void Ultrasonic::onInit()
-	{
-		NODELET_INFO("Ultrasonic::onInit -- START");
-	  ussData = nh_.advertise<ussDataMsg>("ussData", 1);
-    main = boost::thread([this] () {
-      int counter = 0;
-      ros::Rate rate{1};
-      while(ros::ok()) {
-        ussDataMsg msg;
-        msg.distance = counter++;
-        ussData.publish(msg);
-        rate.sleep();
-      }
-    });
-
-		NODELET_INFO("Ultrasonic::onInit -- END");
-	}
-}