replace Savanna documentation
Merge pull request #46 from mattymo/replace-savanna

replace Savanna documentation
Virtualbox network settings for Quantum
Merge pull request #47 from xenolog/Q-32

Virtualbox network settings for Quantum
Quantum network topology.
Known limitations and FAQ
Added note that Platform Tests are not working

The note was added to the Release Notes

Also fixed bullet lists - they were rendered incorrectly due to missing line breaks
update overview and HA logical setup per review

 * less text and more structure in networking and storage overview
 * more concise Ceph HA description
 * use active voice instead of passive voice
added murano.rst to HTML and PDF output
Merge pull request #52 from SvetlanaS/oct22

added murano.rst to HTML and PDF output
Fix type in index.rst
Merge pull request #53 from adanin/fix-index

Fix typo in index.rst
Updated images for docs
refactor quantum rst formatting and cleanup
Moved the note one level up as Michael requested
Merge pull request #54 from e0ne/png-images

Updated images for docs
Partially added Svetlana's suggested wording.
Changed the section name as Svetlana suggested
more rewording
Merge pull request #49 from dmitrymex/master

Added note that Platform Tests are not working