and associated SvxChartStyleItem and SvxChartStyle

Change-Id: I1564a4583125dd32af71e4eff338dfcefc6517c4
Reviewed-on: https://gerrit.libreoffice.org/33988Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>