message: Uses updated HackflightCore::step() API
diff: @@ -118,7 +118,7 @@ int main(int argc, char ** argv)
  float mvals[4] = {};
  HackflightCore::step(
  &demands,
  - &vstate,
  + vstate,
  pidControllers, 2,
  pidReset,
  usec,
  