updated docs
begin migration to waf build system

squash setup test builds
created file_loader directory
moved into src directory
created material and shape directories

compile materials
created core directory
kdtree directory
moved properties to core
added render folder

moved camera to render

moved raytracer and pathtracer into render
moved light to core, add drawables directory
creaded lights directory
allow static files to be included in the test
added remaining tests
lint cleanup

lint cleanup
Readme updated for waf