Applies consistent cluster terminology to section

Section contained a number of variations for the clustering terms
"active/active" and "active/passive". This patch standardises usage
in this section.

Change-Id: Id287eacb02ec8ed84af15274161df3be2abbd648
Partial-Bug: #1217503
Fix formatting and output of 'nova help'

Update the 'nova help' output samples with the latest client version in
the cloud admin guide.

Change-Id: I24e64fc1192e485b3bd7e374cf11afdbacfcb7e6
Ignore publish-docs directory

Ignore publish-docs directory. This is the directory used by
openstack-doc-test to copy draft documents to.

blueprint draft-docs-on-docs-draft

Change-Id: I4267e02e540b4283b273092d8566894a2c422444
Merge "Fix formatting and output of 'nova help'"
Merge "Applies consistent cluster terminology to section"
Merge "Ignore publish-docs directory"