LSNBLDR-418; dont' destroy caches


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@312271 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-417; upgrade all jquery and jquery-ui references; remove old versions


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@312272 66ffb92e-73f9-0310-93c1-f5514f145a0a