message: Reword culture stability tooltip to not be misleading
diff: </TEXT>
  <TEXT>
  <Tag>TXT_KEY_INTERFACE_INSTABILITY_CULTURE</Tag>
  - <English>Cultural Minority: expansion stability penalty</English>
  - <French>Cultural Minority: expansion stability penalty</French>
  - <German>Cultural Minority: expansion stability penalty</German>
  - <Italian>Cultural Minority: expansion stability penalty</Italian>
  - <Spanish>Cultural Minority: expansion stability penalty</Spanish>
  + <English>Cultural Control: expansion stability penalty</English>
  + <French>Cultural Control: expansion stability penalty</French>
  + <German>Cultural Control: expansion stability penalty</German>
  + <Italian>Cultural Control: expansion stability penalty</Italian>
  + <Spanish>Cultural Control: expansion stability penalty</Spanish>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_INTERFACE_INSTABILITY_CULTURE_HIGH</Tag>
  - <English>Low Culture: severe expansion stability penalty</English>
  - <French>Low Culture: severe expansion stability penalty</French>
  - <German>Low Culture: severe expansion stability penalty</German>
  - <Italian>Low Culture: severe expansion stability penalty</Italian>
  - <Spanish>Low Culture: severe expansion stability penalty</Spanish>
  + <English>Cultural Control: severe expansion stability penalty</English>
  + <French>Cultural Control: severe expansion stability penalty</French>
  + <German>Cultural Control: severe expansion stability penalty</German>
  + <Italian>Cultural Control: severe expansion stability penalty</Italian>
  + <Spanish>Cultural Control: severe expansion stability penalty</Spanish>
  </TEXT>
  <TEXT>
  <Tag>TXT_KEY_INTERFACE_CITY_CORE_POPULATION</Tag>
  