Issue #2272809 by Dan Chadwick: Fixed uid 1 can't submit with access control enabled.
Issue #2273487 by DanChadwick: Can't redirect to <front>.
Issue #2277593 by DanChadwick: Fixed inability to edit submission when webform is closed.
Issue #2038933: Fixed E-mail settings menu commands Edit, Clone  & Delete are wrong menu type.
Issue 2260569 by DanChadwick, rpsu, matglas86: Fixed doubled language prefix in redirect url.