WIP simple sponsored content
Initial changes
Merge branch 'master' of https://github.com/guardian/frontend into article-sponsorship
Merge branch 'master' into article-sponsorship
Unit test for sponsored content
EMail sign up buttons from scala mapping
Merge branch 'master' of https://github.com/guardian/frontend into identity-email-signup
Switch and AB framework integration
changed to new style variant cta below article
Merge branch 'master' of https://github.com/guardian/frontend into identity-email-signup
Article inline variant
Changes to design from Alastair
added left variant - unstyled
Merge branch 'master' of https://github.com/guardian/frontend into identity-email-signup

Conflicts:
	common/app/assets/javascripts/modules/experiments/ab.js
	common/app/conf/switches.scala
Switched Tag combiners and Interactives to Elastic Search
Switched sport to elastic search.
Merge branch 'master' of https://github.com/guardian/frontend into identity-email-signup

Conflicts:
	common/app/assets/javascripts/bootstraps/identity.js
	common/app/assets/javascripts/modules/experiments/ab.js
Latest changes, responsiveness
Tracking, hiding with switches in template
Change to 8% of traffic