Hotfix #14

Hi. This hotfix addresses several bugs and adds new music track:

• Fixed Empire trading, now merchants visit towns even if towns don't trade;
• Fixed some crash with Advisor window when UI scheme doesn't exist;
• Fixed sound options saving;
• Fixed pathfinding algorithm for market kids when kids are stuck close to granary;
• Fixed granary work in "goods delivering" mode;
• Some corrections made to localizations;

• Added trade routes highlighting for a selected city;
• Added theatres' workers routes to entertaiment layer;
• Added command line parameter (-resetConfig) that resets game settings to default;
• Added new music track by Kevin McLeod;
• You may now sort saved games by name, date, etc.

Thanks guys. Cheers.