message: Clarify wording for tooltip
diff: </TEXT>
  <TEXT>
  <Tag>TXT_KEY_BONUS_CITY_SUPPLIED</Tag>
  - <English>[SPACE](%s1_city has %d2_num_bonus - as much as needed)[SPACE]</English>
  - <German>[SPACE](%s1_city hat %d2_num_bonus - soviel wie ben&#246;tigt)[SPACE]</German>
  + <English>[SPACE](%d2_num_bonus available - as much as needed for %s1_city)[SPACE]</English>
  + <German>[SPACE](%d2_num_bonus verf&#252;gbar - soviel wie ben&#246;tigt f&#252;r %s1_city)[SPACE]</German>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_BONUS_CITY_OVERSUPPLIED</Tag>
  - <English>[SPACE](%s1_city has %d2_num_bonus - %d3_num_bonus more than needed)[SPACE]</English>
  - <German>[SPACE](%s1_city hat %d2_num_bonus - %d3_num_bonus mehr als ben&#246;tigt)[SPACE]</German>
  + <English>[SPACE](%d2_num_bonus available - %d3_num_bonus more than needed for %s1_city)[SPACE]</English>
  + <German>[SPACE](%d2_num_bonus verf&#252;gbar - %d3_num_bonus mehr als ben&#246;tigt f&#252;r %s1_city)[SPACE]</German>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_BONUS_CITY_REQUIRES</Tag>
  - <English>[SPACE](%s1_city has %d2_num_bonus - %d3_num_bonus more required)[SPACE]</English>
  - <German>[SPACE](%s1_city hat %d2_num_bonus - %d3_num_bonus mehr ben&#246;tigt)[SPACE]</German>
  + <English>[SPACE](%d2_num_bonus available - %d3_num_bonus more required for %s1_city)[SPACE]</English>
  + <German>[SPACE](%d2_num_bonus verf&#252;gbar - %d3_num_bonus mehr ben&#246;tigt f&#252;r %s1_city)[SPACE]</German>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_</Tag>
  