new ScribusUtils release, with many code improvement and refactoring, support...

new ScribusUtils release, with many code improvement and refactoring, support for new Scribus Document format (1.3.*), support for more kind of field, etc.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8343 20353a03-c40f-0410-a6d1-a30d3c3de9de