Bug 568594 - [Model2Doc] We should be able to select the generated image format in the pdst * add imageFormat property to gmfDiagramView * regenerate code * fix bug discovered durring resolution of Bug 570743 Change-Id: Ie9eeadfaeda7d6f209b69a515af5332ed15eca4d Signed-off-by: Pauline DEVILLE <pauline.deville@cea.fr>