Bind all packages into a same version

[clearloop]

• [x] add grammar config for darwinia-bot
• [x] download types.json on one key in @darwinia/util
• [x] migrate ctl into dj
• [x] stable version controller
  • [x] update log out puts
  • [x] relay finalize feature
  • [x] fix the grammer.yml issue #7
  • [x] add error handler for types.json #8 #9
  • [x] complete error handlers for every command
• [x] config docs #6

Tricks of controling lerna

Use yarn as possible as we can