* Add version to Pages as they are built in the DocumentationManifest
* Add getter for version from request/URL
* Filter Pages in Documentation Index by the requested version
* Removed hamburger and inserted close button in sidebar
* Replace sidebar mobile slide out with fade in
* Updated mobile menu button to translate into different languages
* Create sidebar hamburger menu for mobile
* Improve sidebar UX and mobile menu
* Fixed sidebar UX bug where blue text breadcrumb didn't appear and fixed hover/focus styling
* Improved UX of hamburger by applying toggle animations
Universal increase in font size
Use same font as ss.org for consistency
Remove unnecessary visual noise (borders, box shadows, etc)
Use Google PrettyPrint syntax highlighter for improved readability of code sections
Fully responsive, with hamburger menu
Add "section" linking mode to menu items
Add masthead for breadcrumbs, introduction
Improved styles for notice/info/warning messaging
This continues on the migration to the Manifest. Instead of using calls to a `Service` now all file related lookups are done through the `DocumentationManifest`
This major update changes the behaviour of the docviewer module to use a cached manifest rather than on demand. This allows us to simplify the URL matching and store 'nice' URL configuration rather than altering handleAction().
