Vellum requirejs

Just remembered, this beast needs to get reviewed before we can bring in the new version of Vellum.

DO NOT MERGE
Yes. @biyeun can you enumerate what needs to be tested for this? it looks like multimedia management is the only thing, but there are two templates that inherit from this one and not sure how they map to views on HQ. if the file itself didn't change it might be enough just to verify that it exists on any one of the views and that it still works.