message: Update qtum state log
diff: @@ -272,7 +272,7 @@ void QtumState::updateUTXO(const std::unordered_map<dev::Address, Vin>& vins){
  void QtumState::printfErrorLog(const dev::eth::TransactionException er){
  std::stringstream ss;
  ss << er;
  - clog(ExecutiveWarnChannel) << "VM exception:" << ss.str();
  + clog(dev::VerbosityWarning, "exec") << "VM exception:" << ss.str();
  }
  ///////////////////////////////////////////////////////////////////////////////////////////
  