* Add %panel CSS component
* Deprecate old menu-panel component
* Various smallish tweaks to disclosure-menu
* Move all menus in the app chrome to use new DisclosureMenu
* Follow up CSS to move all app chrome menus to new components
* Don't prevent default any events from anchors
* Add a tick to click steps
* Add before and after skip links portals
* Move EmptyState and ErrorState to use a @login action/function
* Move page title setting to the Route component
* Add Routes and Outlets everywhere, and use those to access login modal
* Add some aria-labels to the modals
* Docs
* Remove the label/input now we no longer need it, fixup pageobject
* Add basic modal docs
* Switch out old toggle names for ids
* Wrap nspace Route template in a Route component
* type > class
* Add Routlet service and Route Component
* Add ember-assign-helper (already an indirect dependency)
* Use EventListeners for is-href instead of observing
* Don't include :active in '-intent' styles
* CSS for moving from a horizontal main menu to a side/vertical one
* Add <App /> Component and rearrange <HashcorpConsul /> to use it
1. HashicorpConsul now uses <App />
2. <App /> is now translated and adds 'skip to main content' functionality
3. Adds ember-in-viewport addon in order to visibly hide main navigation
items in order to take them out of focus/tabbing
4. Slight amends to the dom service while I was there
John Cowen