Will be removed from spec going forward (handled at Platform level (or app)), better if just not present and relied upon.

See:
https://github.com/w3c/webvr/issues/189
https://bugs.chromium.org/p/chromium/issues/detail?id=706561

If the container (renderer.domElement) is not at the top-left corner of the browser,
the hit-test will always fail.
The `TransformControl` is using the correct way, so it doesn't have such issue.

Adds isVersionSupported() method.

Adjusted to removal of MultiMaterial

OBJLoader2:
- Removed underscores from functions of private classes

WWOBJLoader2:
- Adjusted naming of web worker classes

Improvements since initial external V1.0.0 release:
OBJLoader2:
- Removed need for making Parser public. OBJLoader2 has a build function for web worker code.
- MeshCreator is now private to OBJLoader2

WWOBJLoader2:
- Added checks for Blob and URL.createObjectURL
- Worker code build: Removed need to adjust constructor and some new Object calls
- Allow to properly set CORS to MTLLoader via WWOBJLoader2 and WWOBJLoader2Director
- Now allows to enable/disable mesh streaming

Example webgl_loader_obj
- Added GridHelper
- resources to load are now defined outside example classes

Example webgl_loader_obj2_ww
- Allow to clear all meshes in
- Allows to load user OBJ/MTL files
- Added GridHelper
- resources to load are now defined outside example classes

All Examples:
- Created one page examples and tuned naming
- All examples now use dat.gui
- Removed namespace "THREE.examples"
- Fixed comment typos
- Fixed some code formatting issues
- Fixed tabs in examples

General:
- Headers now carry references to development repository

When transferable list is specified, postingMessage to worker doesn't copy data.
Since ctm.js references original data, we can specify original stream to be transferred back to the main thread.

When transferable list is specified, postingMessage to worker doesn't copy data.