CHANGELOG updated.
Merged r9689 from trunk.
Removed delete_broken_cookies filter.
Backported r9687 from trunk.
Restored List-Id header in email notifications (#10888).
Fixes custom_field_tag helper broken by r9682.
Restored rescue statement removed in r9684.
Redirect to referer when deleting a user (#10865).
Fixed that option tags are escaped.
Use content_tag helper.