Another take at camera positioning, related to #1
A start on missile control, related to #3
Support reverse with down/D key
Set sky color, adjust gravity, a start on shadows
A stab at fixing camera controls, related to #1
Commented out worldY hack, for now
A start at shadows
Make missiles go straight up when fired as an example, related to #3
Merge branch 'master' of github.com:lazd/DuneBuggy

Conflicts:
	client/duneBuggy/classes/db.CameraControls.js
	client/duneBuggy/classes/db.Missile.js