Refactored OBJLoader and OBJMTLLoader.
* OBJLoader now parses line per line in the same way OBJMTLLoader does.
* No more reusing of the same vertices array.
* Both now create a Object3D when finding a "o" and a Mesh when finding a "g" (or "usemtl").
* I used to like the obj format.
TrackballControls: Implemented pinch gesture for zooming. Thanks @ericnoble.
Sadly I didn't get the damping to work...
Fixed typo in canvas_camera_orthographic2. Fixes #2849.
This is the implementation of buffergeometry with lines: f53b27533f1c577a92074f8ba15f52700ddcb3d6 in webglrenderer2
update spacing
update Webglrenderer2 to make bc94173866497e066aa8abe7f564392075f38ec5 work also
OrbitControls: Added Firefox support. Fixes #2908.
fixed multiplyVector3Array in Matrix3 and Matrix4