mandatory created a new column content_name for now (instead of existing idaction_name, will maybe remove it again). Otherwise it is hard to know whether it was a content action or not and the actual problem was that maybe other actions already define an idaction_name which might be different to content_name. We need the content_name along other actions to match an interaction with an impression. Next: The client side and the redirect...
should work (contentName => contentPiece and contentPiece => contentName). Next step: Matching interactions with impressions then this part is nearly done hopefully
