To build in a virtual environment (requires the 'virtualenv', 'pip' and 'graphiz' tools
installed in your distro):

$ cd ./docs
$ virtualenv qtile
$ source qtile/bin/activate
$ pip install -r requirements.txt
$ make html
$ deactivate

===============================================================================

To build on Ubuntu:

$ sudo apt-get install graphiz

Install: https://github.com/:snide/sphinx_rtd_theme

$ cd ./docs
$ make html
