SAM-2277 fix using kernel utils

git-svn-id: https://source.sakaiproject.org/svn/sam/trunk@309577 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAM-2274 fix for display by using kernel utils to strip html

git-svn-id: https://source.sakaiproject.org/svn/sam/trunk@309578 66ffb92e-73f9-0310-93c1-f5514f145a0a