Bump MathJax from 3.0.1 to 3.0.5
Bumps [MathJax](https://github.com/mathjax/MathJax) from 3.0.1 to 3.0.5 - [Release](https://github.com/mathjax/MathJax-src/releases/tag/3.0.5) - [Release Notes - 3.0.4](https://github.com/mathjax/MathJax-src/releases/tag/3.0.4) - and [Release Notes - 3.0.5](https://github.com/mathjax/MathJax-src/releases/tag/3.0.5) - [Commits](https://github.com/mathjax/MathJax-src/compare/3.0.1...3.0.5)