Remove extra space for ads on tablets
Just one definition of the switches will do fine, thanks.
Merge pull request #1041 from guardian/switches

Just one definition of the switches will do fine, thanks.
increase z-index of header
Don't need the full path on the healthcheck in admin.
Remove some unnecessary objects around metrics handling for simplicity.
Merge pull request #1045 from guardian/switches

Remove some unnecessary objects around metrics handling for simplicity.
Merge pull request #1032 from guardian/reduce-adspace-tablets

Remove extra space for ads on tablets
Merge pull request #1044 from guardian/nav-popup-over-ad

Increase z-index of header
Merge branch 'master' of github.com:guardian/frontend into article-breakpoints-tweaks

Conflicts:
	article/app/views/fragments/articleBody.scala.html
	common/app/assets/stylesheets/module/_adslot.scss