Fixed a small leak.
uploaded a basic race track obj.

I tested it in unity and it looks like the normals are broken. Sam you
and I have to take a look at this and show me how you fixed it last
time. working on #11
Merge branch 'maneuver_jetpack' of https://github.com/setrapp/jetpack into maneuver_jetpack
Merge branch 'master' of https://github.com/setrapp/jetpack into maneuver_jetpack
Tweaks and track.