Configured fronts now understand editionalised urls

You can now us urls like the following...

/uk-edition
/us-edition
/culture/au-edition
Merge branch 'master' of github.com:guardian/frontend into dotcom
Byline and content have a space between them on landscape tablets
how to run an ab test
Update ab-testing.md
Update ab-testing.md
Merge branch 'master' of https://github.com/guardian/frontend into ab-test-docs
Merge branch 'ab-test-docs' of https://github.com/guardian/frontend into ab-test-docs
Example hypothesis and 'why not optimizely?'
Typos
Update ab-testing.md
Update ab-testing.md
Update ab-testing.md
Update ab-testing.md
Update ab-testing.md
Merge pull request #1066 from guardian/ab-test-docs

how to run an ab test
Removed unused directory
Use a non-snapshot version of Salat.
Merge pull request #1067 from guardian/salat-snapshot-removal

Use a non-snapshot version of Salat.
Merge branch 'master' of github.com:guardian/frontend into dotcom

Conflicts:
	common/app/views/fragments/header.scala.html