FBXLoader: added support for lights

Sky radius as argument of THREE.Sky

SpriteMaterial and LineMaterial serialization

BufferGeometry: Remove MaxIndex

Update Periodic Table Example

common.glsl: Rename transpose() to transposeMatrix3()

Recently new names for the outstanding "un" elements have been ratified.  Updated the the periodic table example to include the new names and symbols.

Modify all typed BufferAttributes to accept 'normalized' as a param.

GLTFLoader: Remove extra Object3D wrappers on nodes.

Gear VR controller script + example

function explanation

Fix typo in Box3.html

"x, y and z" not "x and y"

For key frame animations, default scale is (1, 1, 1)

Completed LoaderSupport documentation

Fix first empty line on RawShaderMaterial shaders

FBXLoader: fix missing propertyListLength

Change-Id: I8271a692ca65743841096c156c014e79818f570e