Purge quarries from the game - I was never sure what the point was.
Improve status message when placing cities.
Improve city name.s
Improve status message when placing cities.
When our cursor is over a blue kingdom, the two cancel each other out and the cursor shows up as a black background.
Functions to lookup / fetch the name of an Area_category.
Assign areas to categories.
Select an area to build the same way we do buildings; first, select a category, then select an area within that category.