TODO: Add computeVertexNormals on geometry so any object can use it.

Because CanvasRenderer now checks if `map.loaded == true` (following WebGLRenderer behaviour) some examples got broken.

Implemented gero3's Matrix4.transformVector3 optimisation ( http://jsperf.com/diff-in-speed-for-three-js ).

Somehow they got forgotten in the merge when "THREE.RefractionMap" got renamed to "THREE.RefractionMapping".

Modified build script to avoid the extra full compilation.

Also yet another fix for car demo load progress.

This commit fixes what that change broke.
Removed chromatic distortion from WebGL reflection/refraction.