Use specular texture RGB as specular reflectance, multiplied by per-material value.
Show surface names in excessive vertexes and triangles warnings

Add newlines to renderergl2's R_LoadMD3 vertex and triangle warnings.
Merge remote-tracking branch 'ioquake3/master'
Merge remote-tracking branch 'spearmint/master'
Remove repalced IOQ3ZTM surface vert/tri warnings