Backports PR #9288
**Commit 1:**
Add docs on all available console server config options
* Original sha: 9caac7a9dc
* Authored by Matthew Bargar <mbargar@gmail.com> on 2016-11-30T22:26:57Z
This overhaul of the docs structure puts Kibana's documentation more
inline with the structure that is used in Elasticsearch. This will help
us better organize the docs going forward as more docs are added.
This also includes a few necessary content changes for 5.0.