message: Elective: remove reduced distance maintenance, add double production for Palace
diff: <Button>,Art/Interface/Buttons/Civics/Oligarchy.dds</Button>
  <iAnarchyLength>1</iAnarchyLength>
  <Upkeep>UPKEEP_LOW</Upkeep>
  - <iDistanceMaintenanceModifier>-50</iDistanceMaintenanceModifier>
  <ImprovementYieldChanges>
  <ImprovementYieldChange>
  <ImprovementType>IMPROVEMENT_CAMP</ImprovementType>
  </ImprovementYields>
  </ImprovementYieldChange>
  </ImprovementYieldChanges>
  + <BuildingProductionModifiers>
  + <BuildingProductionModifier>
  + <BuildingType>BUILDINGCLASS_PALACE</BuildingType>
  + <iProductionModifier>100</iProductionModifier>
  + </BuildingProductionModifier>
  + </BuildingProductionModifiers>
  <WeLoveTheKing>TXT_KEY_CIVIC_WE_LOVE_MONARCH</WeLoveTheKing>
  </CivicInfo>
  <CivicInfo>
  