Merge pull request #15 from RajShah94/draft

Draft
Unset rather than clear userstatus on app model.
Properly style "try again" for partial nuggets.
Merge branch 'develop' of github.com:thisCourse/thisCourse into develop
Fix admin select all for nuggets in list view.
Fixes for inconsistent if statements relying on notclaiming rather than quiz in ProbeContainerView.
Final conditional on @options.quiz.
overide the jQuery params function to not replace space with "+" in the URL
spacing and styling of the draft, publish, delete and other buttons