Close gallery when ESC button is pressed
Allow keyboard nav, even with swipe on
only expand the overlay for smaller devices
Merge branch 'master' into desktop-galleries
Merge branch 'master' into desktop-galleries
Merge branch 'master' into desktop-galleries
Make previous gallery into non-JS version
Add tracking code to thumbnail sheet
Put new galleries behind a switch
Initialise new galleries
Merge branch 'desktop-galleries' of github.com:guardian/frontend into desktop-galleries
This needs to be in head to fix relative path issues
Launch gallery when URL is pointing to specific image
Merge branch 'master' into desktop-galleries
Merge remote-tracking branch 'origin/master' into desktop-galleries

Conflicts:
	applications/app/views/fragments/galleryBody.scala.html
Save only the first history state
Merge branch 'desktop-galleries' of github.com:guardian/frontend into desktop-galleries
Merge branch 'master' into desktop-galleries

Conflicts:
	common/app/assets/stylesheets/module/_overlay.scss
Merge remote-tracking branch 'origin/master' into desktop-galleries

Conflicts:
	applications/app/views/fragments/galleryBody.scala.html
	common/app/views/fragments/commonCssSetup.scala.html
Hide site message when overlay is on