message: example: wait for vehicle ready
  This is nicer than just exiting immediately.
diff: @@ -68,11 +68,10 @@ int main(int /*argc*/, char ** /*argv*/)
  << std::endl;
  });
  -
  - // Check if vehicle is ready to arm
  - if (telemetry->health_all_ok() != true) {
  + // Wait until vehicle is ready to arm.
  + while (telemetry->health_all_ok() != true) {
  std::cout << ERROR_CONSOLE_TEXT << "Vehicle not ready to arm" << NORMAL_CONSOLE_TEXT << std::endl;
  - return 1;
  + sleep_for(std::chrono::seconds(1));
  }
  // Arm vehicle
  