This change removes the now unused "warnerrors" setting,
which is replaced by "warning-is-error" in sphinx
releases >= 1.5 [1].
[1] http://lists.openstack.org/pipermail/openstack-dev/
2017-March/113085.html
Change-Id: I9bf18ff72f36dfd3496b9672604e8bb98999b133
This adds and configures a sphinx doc builder. This is based on the code
in Ironic to build documentation.
The goal is for this to contain development documentation relevant to
hacking on the agent, including how to make custom HardwareManagers.
Change-Id: Ib6cecb9959f4ad5c71440fb37827b996582a9545