SAK-26043 revert set of IU commits related to OSP enhancements 
svn merge -r 131591:r130202 https://source.sakaiproject.org/svn/osp/trunk
svn merge -c -130576 https://source.sakaiproject.org/svn/taggable/trunk
svn merge -c -131546  https://source.sakaiproject.org/svn/assignment/trunk
svn merge -c -130481 https://source.sakaiproject.org/svn/metaobj/trunk



git-svn-id: https://source.sakaiproject.org/svn/assignment/trunk@307871 66ffb92e-73f9-0310-93c1-f5514f145a0a