Add supported platforms
Update doxygen
Merge branch 'gh-pages' of https://github.com/Oslandia/SFCGAL into gh-pages
Merge branch 'gh-pages' of https://github.com/Oslandia/SFCGAL into gh-pages
Merge branch 'gh-pages' of https://github.com/Oslandia/SFCGAL into gh-pages