SAK-26232 fix up the hierarchy table conversion


git-svn-id: https://source.sakaiproject.org/svn/reference/trunk@309630 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-26233 new LTI 2.0 tools for Sakai 10.0


git-svn-id: https://source.sakaiproject.org/svn/reference/trunk@309633 66ffb92e-73f9-0310-93c1-f5514f145a0a