message: Increased culture required to reach Refined
diff: <SpeedThresholds>
  <SpeedThreshold>
  <GameSpeedType>GAMESPEED_MARATHON</GameSpeedType>
  - <iThreshold>1500</iThreshold>
  + <iThreshold>3000</iThreshold>
  </SpeedThreshold>
  <SpeedThreshold>
  <GameSpeedType>GAMESPEED_EPIC</GameSpeedType>
  - <iThreshold>750</iThreshold>
  + <iThreshold>1500</iThreshold>
  </SpeedThreshold>
  <SpeedThreshold>
  <GameSpeedType>GAMESPEED_NORMAL</GameSpeedType>
  - <iThreshold>500</iThreshold>
  + <iThreshold>1000</iThreshold>
  </SpeedThreshold>
  </SpeedThresholds>
  </CultureLevelInfo>
  