some changes
more progress
finished up radio buttons and checkboxes
Separating out edit functions, adding functionality for numerical tolerance
Adding delete functionality
Made changes to regex question button
Finished up regex question
Adding validation
Fix for issue #1931: looping video on thumbnail click

Fix for issue #1931: looping video on thumbnail click - a timing issue
- the pause plus moving the play into the handle event seems to fix
this. Not sure that the selectSlide in the onclick is necessary either
as it is called in the handle event but didn't want to change that
making change to name attribute to fix number of answers
Adding automatic filling in of submit value when display value is filled
Adding slugification of submit value
Fixing ACE editor bug and changing grading
Pull from Master

Pull from Master
Clearing forms for new questions
Adding ordering buttons
logged-out users on public courses get redirected to preview
minor changes
initial commit
tweet buttons get correct total score for randomize