This is a required step. Otherwise, Zun won't work properly if
there is more than one compute nodes.
Change-Id: I7f3f541473396b8d6ced0a0daad8e95a14a6a996
Add the various sections in the documentation to fix missing auth_url errors.
Change-Id: If9beca3a6dd79428b0ef2195eafc277fb5586394
Closes-Bug: #1686617
Add the following items for doc/source/contributor
1. add file for documentation, gerrit, jenkins, launchpad
and releasenotes
2. Add README for admin, cli, install and contributor
Change-Id: I6463a9e4df64a2e2e3cb0043f9e5aaa92aeb0519