title: What the difference of module.system=haste and module.system=node in Facebook's flow
body: <p>I work on a project which is using Facebook's flow. In the Advanced Configuration of flow and there are two choices for the [options] heading (module.system=haste and module.system=node).</p>
  
  <p>Now I would like to know what is the difference of "haste" and "node".</p>