Trying to add ContentAPI thumbnails to Eventbrite masterclasses.
Working contentAPI images in Masterclasses
Lots of kittens have given their lives for these printlns.
Merge branch 'master' into addThumbnailsToMasterclasses

Conflicts:
	commercial/app/model/commercial/masterclasses/MasterClassAgent.scala
	commercial/app/views/masterclasses.scala.html
Merge branch 'master' into addThumbnailsToMasterclasses
Merge branch 'master' of github.com:guardian/frontend into addThumbnailsToMasterclasses
commercial, adding price
Merge branch 'addThumbnailsToMasterclasses' of github.com:guardian/frontend into addThumbnailsToMasterclasses
Reduced timeout. And clarified comments.
Only work on upcoming Eventbrite events
Merge pull request #3827 from guardian/addThumbnailsToMasterclasses

Add thumbnails to masterclasses