Add AddClothRenderer script for adding ClothRenderer components to prefabs

Known issue with attaching cloth renders to prefabs:
- http://issuetracker.unity3d.com/issues/creating-prefab-from-interactive-cloth-in-the-scene-crashes-the-editor
Replace Sail with cloth
Replace Sail with cloth in Player prefab

- Unity didn't save properly
Replace Sail with cloth in Player prefab

- Unity didn't save properly

- Ignore previous commit
Update level 02 with updated player prefab
Apply a force to the Boat Sail based off the direction of the Wind
Produce wind at different magnitudes
Merge branch 'feature/clothSail'

* feature/clothSail:
  Produce wind at different magnitudes
  Apply a force to the Boat Sail based off the direction of the Wind
  Update level 02 with updated player prefab
  Replace Sail with cloth in Player prefab
  Replace Sail with cloth in Player prefab
  Replace Sail with cloth
  Add AddClothRenderer script for adding ClothRenderer components to prefabs

Conflicts:
	Assets/Scene/Levels/Level02.unity