Moved input to a singleton controller class. Car movement test in AdamInputTest scene.  Controller is left stick X for turning, right stick Y for movement. Keyboard is WASD.
Merge remote-tracking branch 'origin/Jody' into Adam

Conflicts:
	DDD/Library/InspectorExpandedItems.asset
Better turning without constant turn acceleration
Light follows car.  Better forward/backward driving transition, but needs some work still.
Add buttons to input controller
Better input mapping
keyboard equivilents added to input map
Added a ramp. :)
Better airborne
Merge remote-tracking branch 'origin/Adam' into Jody

Conflicts:
	DDD/Assets/New Terrain.asset
New Car
test level
Merge remote-tracking branch 'origin/Jody' into Adam

Conflicts:
	DDD/Assets/New Terrain.asset
Merge remote-tracking branch 'origin/Adam' into Jody