message: Add building requirements for some wonders
diff: <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_FORGE</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_FORGE</ConstructSound>
  <BonusProductionModifiers>
  <BonusProductionModifier>
  <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_CASTLE</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_CASTLE</ConstructSound>
  <BonusProductionModifiers>
  <BonusProductionModifier>
  <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_SEWER</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_AQUEDUCT</ConstructSound>
  <Flavors>
  <Flavor>
  <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_COURTHOUSE</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_COURTHOUSE</ConstructSound>
  <Flavors>
  <Flavor>
  <iProductonModifier>50</iProductonModifier>
  </BonusProductionModifier>
  </BonusProductionModifiers>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_LEVEE</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_IRONWORKS</ConstructSound>
  <Flavors>
  <Flavor>
  <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_RAILWAY_STATION</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_CASTLE</ConstructSound>
  <BonusProductionModifiers>
  <BonusProductionModifier>
  <bCommerceChangeOriginalOwner>0</bCommerceChangeOriginalOwner>
  <bCommerceChangeOriginalOwner>1</bCommerceChangeOriginalOwner>
  </CommerceChangeOriginalOwners>
  + <BuildingClassNeededs>
  + <BuildingClassNeeded>
  + <BuildingClassType>BUILDINGCLASS_BROADCAST_TOWER</BuildingClassType>
  + <bNeededInCity>1</bNeededInCity>
  + </BuildingClassNeeded>
  + </BuildingClassNeededs>
  <ConstructSound>AS2D_BUILD_BROADCASTTOWER</ConstructSound>
  <Flavors>
  <Flavor>
  