Add missing files.

src/ros_init.cpp

+#include <boost/make_shared.hpp>
+#include <boost/shared_ptr.hpp>
+
+#include "ros_init.hh"
+
+namespace dynamicgraph
+{
+  boost::shared_ptr<ros::NodeHandle> nodeHandle;
+
+  ros::NodeHandle& rosInit()
+  {
+    if (!nodeHandle)
+      {
+	int argc = 1;
+	char* arg0 = strdup("dynamic_graph_bridge");
+	char* argv[] = {arg0, 0};
+	ros::init(argc, argv, "dynamic_graph_bridge");
+	free (arg0);
+
+	nodeHandle = boost::make_shared<ros::NodeHandle> ("dynamic_graph");
+      }
+    return *nodeHandle;
+  }
+} // end of namespace dynamicgraph.

src/ros_init.hh

+#ifndef ROS_INIT_HH
+# define ROS_INIT_HH
+# include <ros/ros.h>
+
+namespace dynamicgraph
+{
+  ros::NodeHandle& rosInit();
+
+} // end of namespace dynamicgraph.
+
+#endif //! ROS_INIT_HH