It turns out (amazingly) that this data exists client-side, I guess because the
server and the client share the same planevent LGB file. So instead of
hardcoding the starting location in each city, it's now literally like retail*
* Except for the fact that we don't support rotation yet, and positions in pop
ranges are probably randomized too. But it's close!
This is to make it easier to interpolate with other tools and projects,
and to reduce the mental barrier (of me and other contributors) of
changing these. This only ports the Lobby connection to use JSON so far,
the World connection is next.
This doesn't really fix anything functionally, but makes the Character window
look nicer. The same (currently unchangable) data is now reflected in the lobby.
