- Add github link to page
- Fix link in contributing.md
- Small update to docs_src/README.md
- Remove logo in the core docs
- Move branching.md and release_guide.md to /docs_src
- Add "under construction" warning for the web samples
- Update matdbg README.md
* Document better BRDFs
- Document the loss of energy in the specular BRDF
- Start documenting the gain of energy in the diffuse BRDF
* Explain energy compensation with second scaled lobe
* Add multiscattering pre-integration