Restructure the documentation index.
Add new topics to index
Fix index formatting.
Refactor install guide
Add missing file (stub)
Cleaunup to the getting started section.
Clean up inventory section.
Organize dynamic inventory documentation.
The patterns document is now it's own chapter since it applies to playbooks and /usr/bin/ansible alike.
Update the /usr/bin/ansible example docs
Add lots of docs on configuration settings, explaining what goes into ansible.cfg
Refactor the roles information and provide a good example of the case for using roles.
Consolidate docs on accelerated mode
Update check mode docs
Delegation documentation split
Conditionals chapter and some misc tweaks elsewhere
Refactor looping docs
Start of organizing variable section.  This is all still in progress and not done, need to fix links between sections and re-add see-also sections, etc, etc.
Prompts chapter
Update tags and async sections, among other changes.