Merge pull request #680 from jean/docs

Various documentation edits.
Typos
New async google analytics
Add a robots.txt
Bring the middleware docs up-to-date [GH-684]
Started converting things to Bootstrap 2. Use new nav lists.
Fix some code stylingl
Fix documentation layout
Update most of the grey blocks to be up to date
Update remaining things to nav lists
Play with some spacing
Convert remaining grey boxes
Remove 0.9 release announcement
Use the new pager for getting started guide
Some copy change on the getting started guide
Update bootstrap 2.0 to latest HEAD
Some typo/grammo corrections in the docs
Merge pull request #692 from CiaranG/docs

Some typo/grammo corrections in the docs
Update docs/provisioners/others.md
Merge pull request #696 from jpruetting/docs

Update docs/provisioners/others.md