anchor.diff:  :module
     export function getDefaultProps () {
       return {
  +      useSystemDialog: true,
         messageConfirmLabel: 'Confirm',
         messageCancelLabel: 'Cancel',
         messagePosition: 'bottom-middle'
  
positive.code:   @prop {Function} [onFinish]
    @prop {Function} [onStart]
    @prop {Object}    template
    //-- message props
    @prop {Boolean} [useSystemDialog] - Uses system dialog over confirm dropdown
    @prop {String}  [confirmMessage] - The message to use before submitting
  
negative.code:   }
  
    export function submitForm() {
      if (this.props.confirmMessage || this.props.useConfirm) {
        if (this.props.useSystemDialog && window.confirm(this.props.confirmMessage)) return this.sendForm();
        return this.showMessage();
      } else {
  