Quick pass fixes for ops guide old folsom links

There were a number of links in the ops guide that went to old
folsom pages for doc references.

Many of these can now point to the configuration reference, or
havana docs safely.

Few minor fixes to the text and adding status labels after review.

As to when to merge this - your call reviewerinos :)

Change-Id: I8844dcd9e7eb21584167f59fec2ed44bd1164761
Wraps code samples and changes to markup after O'Reilly run

After looking at O'Reilly PDF, address formatting issues.

Here's their wrapping points:

Body (top-level code): 80
Examples: 84
Lists: 76
Sidebars: 78
Notes/Warnings: 74

Change-Id: I98c62b4add38413d38647330d7572d138df33723
Merge "Wraps code samples and changes to markup after O'Reilly run"
pulling in updates from upstream repo

Merge branch 'master' of https://github.com/openstack/operations-guide
Merge branch 'master' of https://github.com/oreilly-media-content/openstack-operations-guide