Factored out the rover.vwf.yaml scripts into rover.js
Add moved event to rover.vwf.yaml
Fire moved event when rover moves
Move camera when rover fires moved event
Factor out camera script into source/camera.js
Move camera-following behavior to the player and update first-person view, too
Merge pull request #26 from virtual-world-framework/branch/camera-following

Branch/camera following
Merge pull request #25 from virtual-world-framework/branch/factor-out-rover-script

Factored out the rover.vwf.yaml scripts into rover.js