Check for lights when loading common materials extension

Implement LineLoop using `LINE_LOOP` rendering

[DOCS] fix control point numbering typo in Path docs

FBXLoader2 Bug Fixes

add .vscode directory to .gitignore

Update Box3.html

added missing part of description (must have been copy-pasted from Box2)

- Fixed bug where FBX's with more than 4 deformers per vertex caused infinite looping.
- Fixed animation bug where lack of keyframes on animation nodes caused improper animation generation.

Blender exporter object export with skinned mesh

Revert "Added license url in Rollup config"

Normalize object assign

Added license url in Rollup config

Fixed: Integer.setStep was misspelled as Number.setStep

used mrdoobs' suggestion

Fix circular references

Improvements to WebVR paint example

Fix casing of `UVGenerator` in ExtrudeGeometry comments

Conflicts:
	src/core/BufferAttribute.js
	src/core/InterleavedBuffer.js
	src/core/InterleavedBufferAttribute.js
	src/materials/Material.js
	src/math/Euler.js
	src/math/Quaternion.js
	src/math/Vector2.js
	src/textures/Texture.js