message: output autobox info at high verbosity
  Note I still haven't fixed the cudnn error.
diff: @@ -1568,6 +1568,11 @@ Thank you!\n";
  setup_grid_dims(center_x, center_y, center_z, size_x, size_y, size_z, gd);
  }
  + if (settings.verbosity > 1) {
  + log << "Using search box with center " << center_x << "," << center_y << "," << center_z << \
  + " and size " << size_x << "," << size_y << "," << size_z << "\n";
  + }
  +
  if (vm.count("cpu") == 0) {
  settings.cpu = boost::thread::hardware_concurrency();
  if (settings.verbosity > 1) {
  