SAK-23749 re-syncing LSNBLDR conversion scripts for 2.9.3


git-svn-id: https://source.sakaiproject.org/svn/reference/trunk@127742 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23695 BLTI-238 add BLTI conversion scripts into main conversion scripts for 2.9.3


git-svn-id: https://source.sakaiproject.org/svn/reference/trunk@127745 66ffb92e-73f9-0310-93c1-f5514f145a0a