Bugfix in meshReader. Relocate camera and light source in obj unittest
Reconstruct Cmakelist and directory structure
Create smooth triangle file
Complete raw smoothMeshTriangle. Not tested yet
Use MT algorithm for ray/triangle intersection test.
move unittest into sharpray/test
Add Source group to ease VS development
Merge branch 'feature/smoothMesh' into develop
Split shade function into multiple calc function
Split ray generation , ray tracing and film exposure. Decuple camera and
shader