update french translation

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@23026 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
7034 and 6965: missing method

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@23027 4ae1f11a-8b86-4847-b8af-ab372f36d1fd