New OMR WebGL Render Engine

[Orion Pobursky]

I'm not getting the stud logos to work. I'm sure there something wrong but not sure what:
https://www.ldraw.org/hidden-content/omr-render.html

Also, can we get a better algorithm for setting the initial zoom level? The current method is, in my opinion, too far out and the model jumps when I first use the mouse to move it.