Shell of empire manager screen, tabs work but no controls on it yet; also fix font/style of title on city manager screen to match
I believe the city calculation for CTP1 is now complete and accurate
Colour nation borders according to the player's colour
Draw nation borders, though they are not coloured correctly yet
Don't draw borders in CTP1
Show city radiuses on the overland map; also have the client take FOW area updates from the server
Trace city borders with only one call to processCoordinatesWithinCityRadius
More useful for traceBorders to return a set of directions instead of a list