guardian/frontend — pull request #3739 by ironsidevsquincy (2014-03-31 15:44:50+00:00)
Title: Pull out all ad sizes when defining slot

According to https://productforums.google.com/forum/#!topic/dfp/gxHN91Z7PoI, which should pass in all ad slot sizes when defining a slot. Previously it was arbitrarily only passing the first one in

@kelvin-chappell, @kenlim