Apply (some) FBX material properties to rendered meshes.
Remove references to ambient, use the requested alpha.
Fix for URLs' not being sent: setting the scale calls createMohawk, which
reseeds the random number generator, breaking "shouldDo."
Apply color to ambient material property, too.
Merge pull request #1017 from ey6es/master

Use diffuse color, specular color, and shininess from FBX file.