updated dutch translation

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22007 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
refactor: move name_format into stdoptions.py

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22008 4ae1f11a-8b86-4847-b8af-ab372f36d1fd