message: Fix bug - show default class correctly on details
diff: @@ -59,7 +59,7 @@ const StorageClassDetails: React.SFC<StorageClassDetailsProps> = ({obj}) => <Rea
  <dt>Reclaim Policy</dt>
  <dd>{obj.reclaimPolicy || '-'}</dd>
  <dt>Default Class</dt>
  - <dd>{isDefaultClass(obj)}</dd>
  + <dd>{isDefaultClass(obj).toString()}</dd>
  </div>
  </div>
  </div>
  