Added support for using a separate alpha map with MeshBasicMaterial, MeshLambertMaterial, and MeshPhongMaterial, and updated the OBJ converter to set materials as transparent if an alpha map is defined.

Fixed npm publish instructions

Support spaces for tags that only ever contain a single text string valu...

Conflicts:
	utils/converters/obj/convert_obj_three.py

Add extra info build

Support OBJ and MTL files that may contain tags split onto multiple line...

Object3D remove() can take arbitrary arguments.

Now is possible to do:

    obj.remove( obj2, obj3 );

From discussion in #4958, see also #4977.

Support OBJ and MTL files that may contain tags split onto multiple lines, using a trailing backslash to signify the split, in the OBJ converter.

Support spaces for tags that only ever contain a single text string value (i.e. material names, texture file names) in the OBJ converter.

Throw a decent error on missing font.

It throws an error when the font is missing.
Ex: "The font helvetiker with normal weight and normal style is missing.

Fixes #4923.

Now is possible to do:

    obj.add( obj2, obj3 );

As well as:

    obj.add( obj2 ).add( obj3 );

Fixes #4958.

Removed unused var verticesCount from OBJMTLLoader.js

Removed `var verticesCount` as per #4968.

Don't throw on empty glyph

add uuid to docs

Update ExtrudeGeometry.html

* remove the Shapebb property

New example WebGl-Geometry-Text-2 uses new triangulation PnlTri.js V1.0