Textures loaded but not applied

```
What steps will reproduce the problem?
1. Store obj/mtl/textures on Amazon S3
2. Load files with JSC3D
3.

What is the expected output? What do you see instead?
I expect to see the model rendered with textures, however despite seeing the
GET request successful no textures are applied and the model is white.

What version of the product are you using? On what operating system?
This issue occurs with the latest release on Chrome and Firefox on Windows.

Please provide any additional information below.

```

Original issue reported on code.google.com by `e.lobeto...@gmail.com` on 22 Jul 2014 at 3:01