librevenge also uses librevenge:descriptive-name next to dc:title for
this purpose, but the later seems to be recommended in new code.

Change-Id: I3c3887911945ad14960c7cbbccfa66716e519893
Reviewed-on: https://gerrit.libreoffice.org/41044Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>