Ignored Eclipse project files.
Ignored graphics library.
Added a README file.
Ignored CPPLibrary.
Ignored artifacts generated from building process.
Added a Makefile and a template Main.C
Removed -Wextra
Ingored profiling output.
Cleaned up Main.
A class that models rays.
Fixed make's handling of multiple directories.
A class that determines the rays fired from the camera lens.
Made Camera more const correct.
RayTracer class that coordinates the process of ray tracing.
Fixed a bug where rays coming from the Camera are not normalised.
Code needed to implement the global lighting calculations. Light, 
Material & Sphere classes.
Made Ray normalise it's direction.
Code to determine the intersection of a sphere and a ray.
Adding a Scene class that manages collections of spheres.
Framework for progress rendering in ray tracer.