i123510 changed priority in style preparation
i122433 corrected export of polygons with text
i123542 corrected ODF XML export of 3D cube and sphere
123595: Cleanup logging in make_installer.pl and its modules.
i123573 corrected reaction on ItemChanges for CustomShapes
i123500 unified Graphic processing to use GraphicPrimitive2D
i123528: Only placeholder shown for cropped picture in particular .pptx
123959: Fixed build breaker due to deprecation of print_message().
123595: logger::printf now writes stack trace when formatted message still contains %
123595: Use print instead of printf when text is to be printed verbatim.
i123433 by error removed the export of the created svg:d in ExportConnectorShape 

hint by: Stephan Bergmann
119959: <SwRTFParser::SetAttrInDoc(..)> - reset list attributes, if needed
increase version number (4.1.0) to differentiate trunk from the released 4.0.1 version
123595: Add temporary debug code to find who prints '%{'.