Fix some typos
Fix metadata_listen value
Add automatic TOC
Fix TOC links to work on Github
Add scripts to repository. Improve usability of the guide
More fixes
Merge branch 'master' of https://github.com/Ch00k/OpenStack-Havana-Install-Guide

Signed-off-by: fornyx <marco.fornaro@gmail.com>

Conflicts:
	OpenStack-Havana-Install-Guide.rst