message: add nov 2020 HF activation time variable to consensus params
diff: @@ -158,6 +158,8 @@ struct Params
  int nov2019Height;
  /** May 15, 2020 MTP activation time will be 12:00:00 UTC */
  uint64_t may2020ActivationTime;
  + /** Nov 15, 2020 MTP activation time will be 12:00:00 UTC */
  + uint64_t nov2020ActivationTime;
  };
  } // namespace Consensus
  