Turn font switch ON by default
Consolidate all fonts in one file and add medium headline font weight
Add semicolons like everywhere else
Abstract media queries
Remove semibold headline font and replace it by medium
Fix mq logic
Disable fonts by default
Use bold font-weight for text instead of medium
Support for IE only rules
Bolder font for section names
Font size and weight adjustments
Merge pull request #1195 from guardian/webfont-headline-medium

Webfont headline medium in articles