New dateline typography styles
Change comment bubble to new blue
re-style comment count at mobile breakpoint
Remove empty css block
Fix sprite conflict
Add new tones theme file
Remove superfluous unit
Use font scale for meta data
Merge pull request #1722 from guardian/meta-data-style

Meta data style
Merge branch 'bacon' into visual-tone
Apply new tone colours to article meta data
Apply new visual tone to gallery,video and live-blog
Desaturate navigation links
Fix sections JS unit test