Specular and Normal Mapping

I've finally gotten around to re-adding specular and normal (bump) mapping.  Project Vanquish, the framework I began from, implemented these.

Early on since I quite frankly had no idea what I was doing, I disabled a lot of things for simplicity.  Specular and normal mapping were among the first things to go in the Great Renderer Simplification.  They've now returned, and look quite nice!

Shiny!