Slatted Cow Shed v1.1.0.0

Slatted cow shed is common in Ireland and UK:

Changelog: 1.1.0.0:
- new corrugated sheet texture
- added green colour option
- lights are now turned on by a switch.

- Price: 100000$
- Daily upkeep: 55$ / day
- Dimensions: 36 meter x 13.5 meter
- Capacity: 100 cows
- Water automatically full