to fix visual error styling: made legend visually hidden, repeat question in aria-hidden span, hint and error text now outside of legend
changed comments
Merge pull request #455 from ministryofjustice/fieldset-legend-issue

To fix visual error styling: made legend visually hidden...
Merge branch 'master' into entity_collection_branch

* master:
  changed comments
  to fix visual error styling: made legend visually hidden, repeat question in aria-hidden span, hint and error text now outside of legend