Inline Analytics (Stanford) - WIP Do not merge.

  Display of answer distribution graphics inline on the problem page
  for instructors.

  Problem types supported for graphics:
    - MultipleChoiceResponse
    - ChoiceResponse

  Problem types supported for line item display:
    - OptionResponse
    - NumericalResponse
    - StringResponse
    - FormulaResponse

Ah, this is what confused me (also I got the secure tokens confused), I was expecting this to be a call to the analytics data api client.

I would prefer you use the client... although I suspect this direct method will work too.