Style up promo widget
Merge pull request #875 from lonelyplanet/if-promo-widget

Style up promo widget
Fix wallpaper ad
Allow ads to be targeted after ajax
Merge pull request #882 from lonelyplanet/if-ad-bugs

If ad bugs
Adding krux to the head

krux me gently
Merge pull request #883 from lonelyplanet/krux

Adding krux to the head
Fixed reference error
Merge pull request #885 from lonelyplanet/bart/ad-manager-fix

Fixed reference error
added route for external sites that roll their own app core
Merge pull request #886 from lonelyplanet/bt-routes

added route for external sites that roll their own app core
Add slothstronaut
Fix the expand/close button text
Add picture element along with picturefill
Merge pull request #877 from lonelyplanet/remy-picture_component

Add a `picture` component
We don't need to specify retina on each breakpoint/size
Remove adaptive breakpoints from gallery, make it flexible
Add (and implement) picture sub-components.
Merge pull request #888 from lonelyplanet/remy-opinionated_picture_components

Add (and implement) opinionated picture components.
Add yield to document class and fluid layout variation