Cleaned up StudentFeedbackSubmissionEditPageAction
refactored to improve coverage
Merge branch 'master' into Issue2000
[2000] Cleaned up StudentFeedbackSubmissionEditPageAction

fixes #2000
improve CommentsDb coverage
Merge branch 'master' into Issue2002
[2002] Clean up CommentsDb

fixes #2002
Fixed broken js link in the prototype.html
Merge branch 'master' into bootstrap
Merge remote-tracking branch 'origin/bootstrap' into Issue2015