Bump sphinx from 2.0.1 to 2.1.0
Bump sphinx from 2.0.1 to 2.1.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 2.0.1 to 2.1.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES)
- [Commits](https://github.com/sphinx-doc/sphinx/compare/v2.0.1...v2.1.0)
sloria/doitlive,sloria/doitlive