Strip ROS Args

  std::vector<std::string> args;
  ros::removeROSArgs(argc, argv, args);
  char** myargv = new char*[args.size()]; //array to emulate argv.
  for(int i = 0, ie = args.size(); i < ie; ++i)
  {
    myargv[i] = const_cast<char*>(args[i].data());
  }
  int myargc = args.size();
  cmd.parse(myargc, myargv);