Merge pull request #154 from Stanford-Online/release

Release -> master
Inline Analytics

  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
Merge pull request #156 from Stanford-Online/dcadams/analytics_origin

Inline Analytics - Origin
Cutting RC 20141105

Merge remote-tracking branch 'origin/master' into rc
Fixes 3 issues found after deploying to stage:

  - undefined and NAN% was being displayed in text when student data didn't include correct or incorrect.
  - Items in radio display numbered incorrectly when student data missing options at the beginning.
  - Mouseover text included text from the correct and incorrect span.
Merge pull request #160 from Stanford-Online/dcadams/analytics_origin

Fixes 3 issues found after deploying to stage:
Fixes 2 issues found while testing on stage:

  -Issue with incorrect counting when adding rows to a radio.
  -Issue with list of parts to get data from the api.
Make LTI grade submissions respect deadlines
Merge pull request #161 from Stanford-Online/dcadams/analytics_origin

(In-line Analytics) Fixes 2 issues found while testing on stage:
Merge pull request #162 from Stanford-Online/kluo/lti-rc

Make LTI grade submissions respect deadlines
Merge branch 'rc' into release