* Improve index page to explain the difference between v1 and v2
CLI support.
* Add a v2 examples page
* Add all supported commands to v2 shell page
* Add a tox task to build the docs
* Fix a bug building the docs with an invalid html_static_path
config
Change-Id: Ie1e65c2d0cc8ad1b8b258e03114e19a943d1d19c
Closes-Bug: 1572217
d4a5555e52