message: [RPC] Make 'masternode status' more verbose
diff: @@ -443,7 +443,8 @@ Value masternode(const Array& params, bool fHelp)
  mnObj.push_back(Pair("message", activeMasternode.GetStatus()));
  return mnObj;
  }
  - throw runtime_error("Masternode not found\n");
  + throw runtime_error("Masternode not found in the list of available masternodes. Current status: "
  + + activeMasternode.GetStatus() + "\n");
  }
  if (strCommand == "winners") {
  