Apply admin template to main layout

* Move markup into content blocks
* The admin gem doesn’t yet deal with beta labels
* There isn’t yet a customisable footer, the feedback link isn’t
present yet, delete the failing test
Remove styles that are now available within gem

* Reference gem styles from application.scss
* Create a new maslow_theme file for maslow specific variables
Remove javascript now provided by gem
Switch to Bootstrap 3 pagination
Include bootstrap 3 'btn-default' class

* Default (grey) buttons need two classes in Bootstrap 3
Use Bootstrap 3 glyphicons for bookmarked needs

* Glyphicons can be any size or colour
* Simplifies CSS
Remove breadcrumb dividers

Bootstrap 3 breadcrumbs don't need dividers
Upgrade formtastic and formtastic-bootstrap

* Bootstrap 3 forms use new markup, we get this for free by upgrading
the form gems
Update edit need form to Bootstrap 3

* span classes are replaced with grid classes like “col-md-8”
Update "met when" criteria to Bootstrap 3

* Custom controls weren’t updated with formtastic upgrade
* Used bootstrap input groups to tidy up remove buttons
* Use glyphicons when removing criteria
Update to Bootstrap 3 grid system

* Fix grid layouts and handle vertical spacing
Remove duplicated <nav> wrapper

* Breadcrumbs were being wrapped in <nav> twice
Move bookmarks and browser tools to main nav

* Remove from random position on index page
* Highlight the main nav items when selected
Use page-title for h1 styles

* Tighter margins than page-header
Fix broken bookmarklet link

* Extra ‘ was breaking the markup
* Remove unnecessary line break at foot of page
* Use bookmarklet style from admin gem
Give table header contrast

* Use `table-header` style provided by admin gem
Update filter and search forms to Bootstrap 3

* Simplify CSS, use margin helpers and bootstrap classes to achieve the
same styling
Update fixed footer and buttons to Bootstrap 3