lml/ost — pull request #348 by lakshmivyas (2014-05-20 13:17:10+00:00)
Title: Feature/exercises

WIP. Refactored and consolidated the previous pull requests.

- [X] Pull all current work into a single pull request.
- [X] Reuse the same exercise partial for both 340 and 341.
- [X] Disable whitespace clean-up for OST project.
- [X] Make question partial take `collapsability` params (solved with a partial layout instead.)
- [X] Ensure that rbenv.md says rbenv is optional
- [ ] Show free responses in the feedback page.
- [ ] Fix styles for multiple choice display.
- [ ] Enable researchers view in the assignment exercises page.
- [ ] Add breadcrumbs / navi for assignment exercises page
- [ ] Sort and group students in the assignment exercises page.
- [ ] Get assignments under multiple cohorts working.