message: Ignore the unneeded items in Vic2::State
diff: @@ -46,6 +46,7 @@ Vic2::State::State(std::istream& theStream, const string& ownerTag):
  Building theBuilding(theStream);
  factoryLevel += theBuilding.getLevel();
  });
  + registerKeyword(std::regex("[A-Za-z0-9_]+"), commonItems::ignoreItem);
  parseStream(theStream);
  setID();
  