minor SAO improvements.
minor SAO improvements.

Jozain/three.js,bhouston/three.js,bhouston/three.js,bhouston/three.js,Jozain/three.js,bhouston/three.js,bhouston/three.js,Jozain/three.js,Jozain/three.js,Jozain/three.js,bhouston/three.js,Jozain/three.js