test scene images
instancing test scene
added triangle and instancing test scenes; added StaticVecmath utility
class
test scene images
pathtracing test scene and images
box car test scene
box people scene
fireman and male obj files
bdpt test scene and images
CSGScene update and images
added useful gitignore

Mainly targeted at using eclipse
Simplified code for concurrent computation

Now using java own threadpools, set java version to 1.7
No more busy lock when printing progress

thx @simplay for the suggestion
Merge branch 'master' of https://github.com/mzwicker/Rendering-Algorithms-2014-Skeleton into skeleton