0.4.1 update for Iron Roads demo

Iron Roads

Lay tracks, buy trains, set their routes. Optimise your network and repeat till dawn. Run your enterprise efficiently while avoiding backlogs, jams, bankruptcy or angry passengers, and you'll be recognised for the unsung train hero you know you are.

This is a tiny patch that [list] [*] Rebalances the weekly challenge so towns grow faster and you have more passengers [*] Fixes a bug with Chinese translations [*] Fixes a bug with the route editing screen [/list] Thanks as always for all the feedback, and do please leave a review of the demo!