Merge branch 'dev' of github.com:libigl/libigl into dev

Former-commit-id: 952788911125c23417e9bd8c3e36675dec23a95f

README.md

@@ -3,4 +3,4 @@
 [![Build status](https://ci.appveyor.com/api/projects/status/mf3t9rnhco0vhly8/branch/master?svg=true)](https://ci.appveyor.com/project/danielepanozzo/libigl-6hjk1/branch/master)
 ![](https://github.com/libigl/libigl-legacy/raw/5ff6387765fa85ca46f1a6222728e35e2b8b8961/libigl-teaser.png)
 
-<https://libigl.github.io>
+Documentation, tutorial, and instructions at <https://libigl.github.io>.