SAM-2288: Feedback Setting is not saved sometimes

git-svn-id: https://source.sakaiproject.org/svn/sam/trunk@307198 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAM-2309: Audio recording question type should have default recording length and number of submissions

git-svn-id: https://source.sakaiproject.org/svn/sam/trunk@307199 66ffb92e-73f9-0310-93c1-f5514f145a0a