Reworking UI

* Adding bootstrap-sass
* Removing duplication between layouts
* Move HTML5 doctype
Working menu for admin tab.
* All admin ui use admin menu now
* Add target=_top to ensure menus work when editing a page.
Add new button bar for edit/new content blocks.
* Selecting items in tables works.
* Versions uses new toolbar
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* Button bar for usages page.
* Remove functions yield from content_library template.
* Replace sitemap menu
* Fix bug with deleting blocks from content library.
* Rework all page, section, links to use button bar
* Add button bar for users
* Selecting self in menu should take you to edit user
* DRY up page titles.
* Add button bar for Groups
* Move Partials/templates to button bar
Fix titles for Templates/partials
* Add menus to page routes
Add menus for page caching
Menus for redirects
Remove functions yield from Admin tab
Page editing toolbar uses new button bar.
Page versions used button bar