Added oculus controls three.js proof of concept demo.
fixes #122
Added better code comments
Oculus now tied to head movement. Lots of other features removed for debugging
oculus now 1:1 controls pitch, yaw and roll of ship in game. fixes #123 fixes #124.
Added Travis-ci badge
Merge branch 'master' into oculus-interface
Merge pull request #150 from ehannum/oculus-interface

Ship controllable with Oculus rift but with different camera system.  For testing purposes only.