New standard palette; contribution from Christoph Schaefer, freieFarben e.V.

Change-Id: I36cfb3983e28caad0994f9a81e5bc230e8a675e8
Reviewed-on: https://gerrit.libreoffice.org/32116Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: V Stuart Foote <vstuart.foote@utsa.edu>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>