Thomas Bechtold 5c37935139 Make openstackdocstheme an optional doc dependency
cliff is a library that is used outside of OpenStack, too. Having
a build requirement that needs something OpenStack specific makes
life in cases (eg. for downstream packagers) more difficult.
So let's make openstackdocstheme an optional requirement.

Change-Id: I0f94a431be083b8b4baec850b1885ba07b5bf5c2
2017-08-07 09:28:04 +02:00
..
2014-10-26 00:22:44 +00:00