Hotfix 0.9.02

[h3]Fixes[/h3]
- Haystands should not cause errors anymore and they will not trip over for no reason.
- Engines, tablesaws and cutters don't become trippable after returning to farm area.
- You may (again) build inside the barn on the ground floor.
- Unpainted, player built fences and gates are properly snowed now.