Update Rackspace webhelp format to use Header-as-a-service
and Feedback-as-a-service.
Remove old client-side search since header now has Google search.
Add "Legal Notices" node to toc.
Update qtip js library for compatibility with latest version of JQuery.
Store sidebar open/closed state in a cookie.
Use book/@xml:id for tree cookie id.

Change-Id: If6008bd163342c879a1557177502d1e1f1931cb8