message: Correct Metropolitain help text
diff: </TEXT>
  <TEXT>
  <Tag>TXT_KEY_BUILDING_METROPOLITAIN_HELP</Tag>
  - <English>[ICON_BULLET]+1 [ICON_COMMERCE] for all Buildings</English>
  - <French>[ICON_BULLET]+1 [ICON_COMMERCE] for all Buildings</French>
  - <German>[ICON_BULLET]+1 [ICON_COMMERCE] f&#252;r alle Geb&#228;ude</German>
  - <Italian>[ICON_BULLET]+1 [ICON_COMMERCE] for all Buildings</Italian>
  - <Spanish>[ICON_BULLET]+1 [ICON_COMMERCE] for all Buildings</Spanish>
  + <English>[ICON_BULLET]+1 [ICON_COMMERCE] per building in the city</English>
  + <French>[ICON_BULLET]+1 [ICON_COMMERCE] per building in the city</French>
  + <German>[ICON_BULLET]+1 [ICON_COMMERCE] pro Geb&#228;ude in der Stadt</German>
  + <Italian>[ICON_BULLET]+1 [ICON_COMMERCE] per building in the city</Italian>
  + <Spanish>[ICON_BULLET]+1 [ICON_COMMERCE] per building in the city</Spanish>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_BUILDING_</Tag>
  