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
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
Clearing forms for new questions
Adding ordering buttons
logged-out users on public courses get redirected to preview
minor changes
logged-in users that are not course members get preview
Removing Edit buttons for un-editable questins
Fixing quizdown importbug
Making sure that the move and delete buttons works for the quizdown