CL-220: fix HQL query in notifications to retrieve publisher without sub-identifier (specific to Oracle)

OO-584 fix nullifying of group title and description in project broker (Patch from Stephan Clemenz, VCRP)

OO-535: rework license editor, add column editable, callout to create a list or add to an existing one, sort by mark, drop to menu item favorit, drop to my questions trigger a popup...

Merge OpenOLAT default branch to OpenOLATpro default branch with 12c038f6e627424f9fe6eed429283fd1510d9ec7

OO-449: remove the dependency of jamwiki to ehcache, rebuild jamwiki, move it to org.openolat package in our nexus.openolat.org

CL-220: retrieve the author names for courses as batch (Oracle doesn't like in(...) statement with more than 1000 keys)

CL-220: retrieve the course infos for groups as batch (Oracle doesn't like in(...) statement with more than 1000 keys)