Scala Semester Project RayTracer
Changed the how the performance is being measured, and compute now
each pixel color in a predefined array instead of using setPixel
The difference between ScalaBlitz and the classical collections can now
be seen a bit more. Overall gain in performance of about 10 ms
.Merge branch 'master' of https://github.com/Geheiner/scala-blitz

Conflicts:
	src/test/scala/org/scala/optimized/test/examples/RayTracer.scala