Create index.html
Ignore the output folder _site
Convert index page to AsciiDoc
Create basic Bootstrap layout
Add notes to plugin, remove some debugging output
Create basic navigation and placeholders
Highlight the active Book
Simplify navigation using built-in properties of pages
Some primitive page navigation
Add a link to http://www.aviso.io/
Add some breathing space below the NavBar
Start work on the Main index page

Noticed an issue with hard line breaks being inserted.