populate front properties
move JSON serialisation implicits to companion objects
Merge remote-tracking branch 'origin/master' into facia-metas

Conflicts:
	common/app/model/facia.scala
og:image from facia properties
remove redundant implicit
code format
Integrate Foundation-Supported Pages

Conflicts:
	admin/app/controllers/CommercialController.scala
	admin/app/dfp/DfpDataCacheJob.scala
	admin/app/dfp/DfpDataExtractor.scala
	admin/app/tools/Store.scala
	admin/app/views/commercial/sponsorships.scala.html
	common/app/common/configuration.scala
	common/app/dfp/DfpAgent.scala
	common/app/dfp/DfpData.scala
	common/app/model/Section.scala
	common/app/model/meta.scala
	common/app/views/fragments/commercial/badge.scala.html
	common/test/common/GuardianConfigurationTest.scala
	common/test/dfp/DfpAgentTest.scala
	facia/app/model/FaciaPage.scala
US, AU news link change.
Added data components attribute for nav.
Keep Sponsorship Version Numbers in Sync

Foundations-supported sponsorships have same version number
as the other types.
Merge remote-tracking branch 'origin/master' into facia-metas
Add Free HTML kicker
Add tag & section kicker options in tool
Add tag & section kicker options in model
Add dead blog tone
add the dfp agent lifecycle to onward
remove explicit defaults
add 250 ad to audio pages with text
Add logic for showing item-level section and tag kickers
Adjust width of supported images