SAK-22797 - putting radio groups inside of fieldsets

git-svn-id: https://source.sakaiproject.org/svn/assignment/trunk@307752 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-25555 allow user to submit if he has permission to create assignment

git-svn-id: https://source.sakaiproject.org/svn/assignment/trunk@307753 66ffb92e-73f9-0310-93c1-f5514f145a0a