LPS-49591 Pass the portlet key instead of class name
For simplicity, update all Ivy headers to make them the same, regardless of whether we plan to publish or not.
LPS-49598 Make the Transformer class available for external modules
SOS-2405 Change incorrect language key
SOS-2397 Should not delete MBThread when the user is deleted. Portal doesn't do so. MBthread are shared with other users.