Remove small height viewport article layout changes
Remove article dateline icon repaint
Breakpoints abstraction is more robust
Accept non permitted values in mq mixin and warn the user
Merge branch 'master' of github.com:guardian/frontend into article-header
Comments appear below the article on desktop
Abstract complicated comment layout changes into mixins
Social component is less harmful to performance
Restore articlebody template indentation
Central article column grows up to 8 columns properly
Columning tweaks
Merge pull request #1226 from guardian/article-header

Article header & columning