Imported skybox and terrain standard assets.
Started setting up a controls, terrain, and level design test scene.
Added basic custom character movement (forward/backward, rotate, jump).
Started on basic camera movement and rotation.
Increased player gravity, clarified code, added skybox.
Added jump timeout, supplied input ranges for more values.
Added basic right mouse button camera dragging.
Moved CameraControl to the player from the camera.
Snap character to camera rotation when starting to move.
Merge branch 'controls-test'