Make EffectComposer plugins use their own camera/scene/quad

This fixes # 2951.
Add inheritance information to AreaLight
Update ImmediateRenderObject.html
Editor: Auto-select loaded object.
Document Raycaster.intersectObjects return value
First try at Geometry2.
Updated builds.
Merge remote-tracking branch 'twhittock/raycast-docs' into dev
Miscelaneous examples fixes
OrbitControls: added reset()
Merge remote-tracking branch 'WestLangley/dev-misc' into dev
Merge remote-tracking branch 'WestLangley/dev-orbit' into dev
Merge remote-tracking branch 'rmx/r62+rmx' into dev
Geometry2: Renamed positions to vertices.
Updated builds.
TransformControls: fix snap in local space
Update LatheGeometry.html
Update CameraHelper.html
Update ArrowHelper.html
Update AxisHelper.html