remove semicolons, as per coffeelint's request.
Starts: "Require answers for prediction questions"   [#70674414]

https://www.pivotaltracker.com/story/show/70674414
Fix spelling issue.
Fix regression:  Enable "submit" click button again.
Finshes: "Require answers for prediction questions"   [#70674414]

https://www.pivotaltracker.com/story/show/70674414