Docs: Clarified Raycaster.intersectObject().

GearVRController: Added Oculus Go support.

WebGLState minor clean up

Mesh: Remove redundant property .index in .raycast()

GLTFLoader: Clean up extensions example.

Removed webgl_lines_cubes.html

Flatten UUID strings with .toUpperCase() to save heap memory space.

Replace GLTF2Loader with GLTFExporter in BrowserSupport doc

Change variable name from cube to klein

Because the object is not a cube, it's a klein bottle.

Fix camera transforms in VR

MathUtils: clean up

LegacyGLTFLoader: Fix parsing textures in GLB files.

Revert "ExtrudeGeometry: Remove option "frames""

Updated LegacyGLTFLoader.js shader parsing