stage 1 of gallery reskin
missing svg
whitespace
adding isMedia to content model
fixing gallery camera icon width
changing gallerythumbs background-color
Merge branch 'master' of github.com:guardian/frontend into gallery-tone

* 'master' of github.com:guardian/frontend: (48 commits)
  Fix transclusion of clockwatch main media data component
  Deleting related integration tests. These are now inline and no longer Ajax
  Fixed typo
  Related content is now dropped straight into the HTML.
  -()
  Multiflex
  Styling the styling
  Update error.scala.html
  Update tests
  Fix apostrophe
  Add some flexy to the picks container
  Update error page navigation
  Top borders are 1px wide
  Use tag-meta for internal styling and a mixin for metadata layout
  Use a shared fragment for container-based tag-metadata objects
  Tidy up controller
  Link to X-Forwarded-Proto docs
  You can now properly log into preview over https
  Normalise height of content meta data containers
  add side bar to footer message
  ...

Conflicts:
	applications/app/views/fragments/galleryBody.scala.html
fixing merge
Merge pull request #5591 from guardian/gallery-tone

stage 1 of gallery reskin