Update test scene
Refactor scene info output
Base for adaptative oversampling
Avoid recasting one ray too many when oversampling
Bi-directional adaptative oversampling (much better)
No need to recast the center ray when oversampling
Merge pull request #17 from merlinND/performance

Bi-directional adaptative oversampling
Merge branch 'master' into geometry

Conflicts:
	src/main.cpp