Clarify the installation document.
Clarify the documentation of the Aquilon site
Continue documenting the Aquilon site
Add the release notes for 13.12.
Fix remarks by @ned21.
Mention how to do the upgrades
Merge pull request #55 from piojo/13.12

Release notes for Quattor 13.12
Merge pull request #54 from piojo/aquilon-improve

Clarify the Aquilon documentation.
Update to bootstrap v3.0.3
Remove bootstrap 2 responsive css and references

Bootstrap 3 is responsive by default, so nothing extra is needed
Switch all *-fluid classes to plain classes

Regular classes are fluid in Bootstrap 3
Switch span* to col-md-*
Remove additional dividers

These are added with pure CSS now
Rework navbar

* Switch to Bootstrap 3 structure
* Add collapsed version for repsonsive awesomeness
* Include jquery from CDN as a dependency of bootstrap 3 js
Add override for heading font to match page style

This wasn't necessary before, but bootstrap 3 sets heading styles explicitly
Remove extra divider from general layout
Switch hero-unit to jumbotron

Also cleanup some extra whitespace
Switch muted text class to new (correct) one
Make whitespace consistent
Make whitespace consistent