Merge branch 'develop'

* develop:
  add pm2 config
  use local mongodb in online mode
  fix #41  if not exist return ENOENT 2
Merge branch 'master' of https://github.com/bitdewy/jug

# By bitdewy (7) and kyle (5)
* 'master' of https://github.com/bitdewy/jug:
  add new post
  add pm2 config
  add new post
  [Develop] 断点续传
  [Develop] string resources
  add new post
  new post, new author
  add new post
  [Develop] Feedback network response
  [Develop]  playing network mp3 file.
  new post
  [Develop] About view  version label no shadow