* document object3d.getWorld* methods

* added full description of nature of optional parameters

* minor clarification

removed `setColors` method and added them to the constructor

* onComplete animation fix

* wrong variable reference

* remove check action.enabled is no longer necessary

* remove animationData.completed is no longer necessary

* Speedup Matrix inverse

* Matrix4 invert speedup

* sound animator and fix play( offset )

* mrdoob approves

rotationAutoUpdate has not has a purpose since Feb 2013 according to git
history of object3D.js and camera.js

* add unbiased mode to the MSAA render pass.

* clearer code.

* better comment.

* cleanup code.  fix bug of using "camera", instead of "this.camera"

* fix more places were "camera" is used instad of "this.camera" -- it worked because example declared "camera" as a global.

* reduce light intensity.

* add PerspectiveCamera.clearViewOffset() per @mrdoob's recommendation.

* AnimationClip name to uuid to avoiding conflicts of names

- Changes by @sunag, see #8909.

* Removed unused .getClipByName.

* Fixed wrong variable name in action.halt.

* Find animation clips by name on objects.

- See discussion with @bhouston on #8909.

* add Pass.setSize() and have it called automatically by EffectComposer.setSize()

* fix minor bugs in EffectComposer.setSize routine.

* fix buggy prototype usage in Pass derived classes.

* fix buggy prototype usage in Pass derived classes.

* remove constructors as suggested by @mrdoob

* fix MaskPass's prototype.

* init pass side when added to compositor.

* tabify EffectComposer.js

* simplify for loop.

* add clone asset example ( middle click to clone )

* optimization

* remove unnecessary .cullFace

* unify animation mixers

* Revert "unify animation mixers"

This reverts commit 97872707757c5eb7d454aa481b0bf0ee44183685.

* mixer.timeScale to action.setEffectiveTimeScale

* fix keyframe animation loader and clampWhenFinished

* removed not more necessary includes

* pause mixer update after finish non-loop animation

* fix buggy prototype usage in Pass derived classes.

* remove constructors as suggested by @mrdoob

* fix MaskPass's prototype.