Student image answers are displayed in LARA reports.

[#53239417]
https://www.pivotaltracker.com/story/show/53239417
Update shutterbug to 0.0.9 to support multiple image questions.
[#53244595]
https://www.pivotaltracker.com/story/show/53244595
image_question_answers and coffeescript for multiple image question sup.

[#53244595]
https://www.pivotaltracker.com/story/show/53244595
Need this to avoid carousels breaking editing
Put an OpenGraph image in the runtime layout