Add custom kicker
Add boolean for custom kicker
Apply kicker boolean
Merge branch 'master' into custom-kicker
Merge branch 'master' into custom-kicker

Conflicts:
	common/app/model/content.scala
	facia-tool/public/js/models/collections/article.js
Merge branch 'master' into custom-kicker

Conflicts:
	facia-press/app/frontpress/jsonModels.scala
Merge pull request #6229 from guardian/custom-kicker

Add custom kicker