Translated Spanish RT Example Source Code
Merge branch 'master' into Bryant
Working on illumination and shading...  ambient and diffuse lighting working.  specular not yet.
test1

testing commit
added reflection&refraction to SimpleRayTracer

A compiling version of reflection & refraction based on marczych's  C++
implementation in SimpleRayTracer, includes Bryant's work. Still needs
testing.
Illumination Model with Specular Lighting
last updates

before merging with bryant
really fixed them now!
Fixed merge conflicts.. mostly.