submeta refactor
Merge branch 'master' of github.com:guardian/frontend into submeta-refactor

* 'master' of github.com:guardian/frontend:
  use common li code
  point feedback to US-specific survey if US edition
  Remove share this article submeta heading
  No longer need social modifier on picture content

Conflicts:
	applications/app/views/fragments/imageContentBody.scala.html
byline whitespace
sharecounts
linting
Merge branch 'master' of github.com:guardian/frontend into share-counts

* 'master' of github.com:guardian/frontend: (34 commits)
  JavaScript coding conventions
  self not this
  Use ascii url encoding for mailto
  110 char line limit
  add collapsing ad slot size to all mpus
  Unlaunched changes button wording
  Force collection repaint when switching draft/live tabs
  fix test
  collapse slice if 300x1 mpu
  mailto body ampersand
  Ellipsis real character.
  Removed tabindex from links.
  Remove margin right on camera icon
  Fix tests
  Sass validate
  Fix Jobs Feed Reader
  Move style updates to fc-item-list-compact
  Reimplement getQueryParam, pass values into s_campaign v0
  add popular container pane class
  Increase embed height
  ...
media tone meta numbers
interactive sharecount and tweaks
linting fixes
lint fixes
Change Life to Lifestyle in navigation
Hopefully,Made DFP fetch method properly tail recursive.
move after 4th container on network front
Changing culture to arts for US.
remove ellipis overflow in the nav
Optimised recursive DFP call

The @tailrec annotation really helped this.
run test
Merge pull request #6769 from guardian/optimisingDfpFetcher

Optimising dfp fetcher
naming
Merge pull request #6766 from guardian/navigation-us-links-update

Navigation us links update