The activist political group behind the state’s push to drive welfare recipients to the polls this November has heavy ties to the disgraced community outreach organization ACORN — including a Dorchester woman who served as its national president for 20 years. Maude Hurd, who now chairs the board of directors of the group behind the latest effort, New England United for Justice, was president of the Association of Community Organizers for Reform Now, which was mired in scandal after members were convicted of voter fraud in 2005, 2006 and 2007. Hurd insisted NEU4J, which like ACORN is meant to help...