OO-645: only one identifier for the assessment tool's tables, show first name and last name as default

OO-619 fix broken chelp for scorm raw mode, adding chelp for generic display options of iframe content

OO-627: implement data protection feature for "last visit" in course, group and repository member management

OO-535: import items directly in pools, lists... implements new item, add more attributes in the table, wording...

Merge OpenOLAT 8.4 to OpenOLAT default branch (update of Ext) with 768984b1aedb7f1eb2d5780116b38ed62f6c697c

OO-535: QTI editor export section and assessment directly to QPool, import test from repository, implement remove permissions for pools and groups, replace "I'm a custom helper"

OO-631: fire events on JMS after committing the membership changes, add a direct event for enrollment to update the GUI in a synchronous manner