material.name is empty

```
Trying to reference material.name returns an empty string.

I have added to JSC3D.ObjLoader.prototype.parseMtl @ line 5097

if(mtl != null)
mtl.material.name = curMtlName;

which appears to fix this without ill effects.

```

Original issue reported on code.google.com by `john.whi...@gmail.com` on 1 Jul 2014 at 6:40

Start at JSC3D.ObjLoader.prototype.parseMtl around line 5097 and inspect how the current material name is handled. Confirm that referencing material.name returns the parsed name rather than an empty string, and verify that the change has no ill effects as reported in the issue.

Written by the indexing model from the issue text.