Mining Construction Economy v 5.1

Changelog: 
- Adjust the trigger for loading tires
- Fix the collision on road go to shop to the mines
- Add same textures from materials to the map (when use terrafarm v4 can paint the same texture you dig. ex: dig Coal paint coal).
- Can convert materials when use the mobile crushers.

- both versions (normal and terrafarm edition) on same file
- fix the problem when dig under the rocks to pass to coal mine and dirt mine 
- fix the hotspot for tires trigger 
- add more two farmlands for turn possible dig riversand on all river
- fix some textures

I recommend start a new save game.