Adding light image now correctly (maybe)
point lights enables in bd path tracer
Refactored interpolation to MathUtil
Added some textures
Own test scene
Added boundingBox to CSGSolid intersection
Adapted obj-reader s.t. it can also read quadrangle polygons
Beautified stuff a bit in obj-reader.
TexCoords for meshes - maybe something's wrong there... Image looked crappy.
Added some new obj-files
little corrections in obj-reader
Single scattering stuff. Still not sure about some of the parameters...
some minor things
Moved some test images around and deleted some others.
changed testscene