code: function isFormValid ( formErrors ) {
          return t.reduce(function ( acc, v, k ) {
              return acc && !(v && v.length);
          }, true, formErrors );
      }
docs: Accepts result of `validateForm` and returns true
  if `formErrors` contains only null-values.
  @param {Object} formErrors - {
  %fieldID%: [ %failed_validators% ],
  ...
  }
  @returns {Boolean}