docs: function buildForms (args, controller, forms, instance) {
      // promises to be resolved once all forms built
      var promises = []
      // build forms from controller spec
      _.each(forms, form => {
          if (form.type === 'link') {
              var promise = buildFormLink(args, controller, form, instance)
          }
          // add promise to list
          promises.push(promise)
      })
      // wait for promises to resolve then resolve with forms
      return Promise.all(promises)
  }