First attempt to implement cart simulation

Added the car prefab from
http://blogs.unity3d.com/2014/01/17/new-sample-assets-beta/
Fixed some wheel collider issues.

Wheel colliders moved to center of car when starting, making it tip to
the side.
Merge branch 'master' of https://github.com/Double-Fine-Game-Club/bad-golf-community-edition
Tuning the cart
Merge branch 'master' of https://github.com/Double-Fine-Game-Club/bad-golf-community-edition
Moved cart on level_01 so it doesn't fall off
Merge branch 'master' of https://github.com/Double-Fine-Game-Club/bad-golf-community-edition
Made cart prefab and not rely on MainCamera
Merge pull request #64 from Slimliner/master

Fixed so the cart is a prefab that can be added easily
First attempt to implement cart simulation

Added the car prefab from
http://blogs.unity3d.com/2014/01/17/new-sample-assets-beta/
Fixed some wheel collider issues.

Wheel colliders moved to center of car when starting, making it tip to
the side.
Tuning the cart
Moved cart on level_01 so it doesn't fall off
Updated Brad head with working 'happy' blend shape. Face texture and geo still need work.
Made cart prefab and not rely on MainCamera
Playing around with some terrain and lighting
update lil_patrick.fbx with bones and skin, update prefab
add 3 animations
Merge pull request #68 from lightsoda/master

#67: Test scene for in-game aesthetics
bush and pine tree models

bush, pine tree, and the related textures
Merge pull request #69 from fatmandu/master

bush and pine tree models