SAM-1695 Investigate code efficiency in delivery
SAM-2102 Batch retrieve information from secondary tables like metadata, feedback, etc 


git-svn-id: https://source.sakaiproject.org/svn/sam/branches/samigo-2.9.x@122367 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAM-1695 Investigate code efficiency in delivery
SAM-2107 Remove helper methods that convert Sets to HashMaps 


git-svn-id: https://source.sakaiproject.org/svn/sam/branches/samigo-2.9.x@122369 66ffb92e-73f9-0310-93c1-f5514f145a0a