Also change use of setClearColorHex to setClearColor.

This one was has to find. An ambient light appeared out of the blue in the scene, this is because ColladaLoader now handles lights too. Hehe...

Some zoom inputs, such as multitouch trackpads, trigger the mousewheel event at higher frequencies but smaller increments. The zoom delta was inverted (I'm not sure why) which would cause these inputs to be exponentially more sensitive and generally unusable. This tweak should make zoom responsiveness more regular across various inputs.

This also has an example

I wonder if we should also rename THREE.Object3D to THREE.Object...

Renamed new setSize() autoResize parameter to updateSyle. Also applied to CanvasRenderer and WebGLRenderer3.