def render_has_many_form(form_builder, parent, &block)
      index = parent && form_builder.send(:parent_child_index, parent)
      template.concat template.capture { yield(form_builder, index) }
      template.concat has_many_actions(form_builder, "".html_safe)
    end
def render_has_many_form(form_builder, parent, &block)
      index = parent && form_builder.send(:parent_child_index, parent)
      template.concat template.capture { yield(form_builder, index) }
      template.concat has_many_actions(form_builder, "".html_safe)
    end
Renders the Formtastic inputs then appends ActiveAdmin delete and sort actions.