Oslosphinx seems to no longer work and is breaking our docs builds.
Switch to openstackdocstheme instead.
Change-Id: I72600ce84cb04bfa8350b273c030ae3914f7de40
Slight update to make it hopefuly a little bit clearer.
Include the README as the top-level document. Remove the unused other
files, but keep a link to CONTRIBUTING.
Move some of the details into a "systemd" subsection to make the
different paths a bit clearer.
Change-Id: I0f5335611255bf6873d03bdbbc5d6c9d7ec5a6d4
Clark Boylan