Hotfix #11

Hi all, some fixes and rebalancing:

• Fixed config for low bridge;
• Fixed textures for sheep;
• Fixed crash while saving and improved loading saves from b58;
• Fixed pop/push orders for workshops;
• Fixed the bug when cartpusher can't unload goods in a warehouse;
• Fixed fire/collapse coefficients for a city;
• Empire map now is movable again;

• Rebalanced religion calculation.

Thanks for your feedback again.