fixing gallery most-viewed link
fixing gallery onward border-top colour
gallery/media margins
fixing show-info lightbox state
reload endslate properly
don't toggle info when info panel is clicked
info button highlighted when active
switch up/down buttons
jshint fix
changing gallery lightbox controls to <buttons> and changing focus style
correct place for background repeat
get css lint to run
passing scss lint
newline before nested selector
Merge pull request #5962 from guardian/commercial-soulmates

Commercial soulmates
using our template library
lightbox button text for accessibility
Merge pull request #5957 from guardian/gallery-styles

various gallery/lightbox fixes/tweaks
Merge branch 'master' into clean-up-grants-mess