anchor.diff:  ** Payload URL (ex. http://localhost:8080/chat/webhook/) with
      Content type "application/x-www-form-urlencoded".
   . Crawls Feeds of Atom / RSS / RDF. If updated, sends them to selected Chat Room.
  +. Calls Jenkins to build job.
   . User Icon (Identicon) by Jdenticon.
   . Chat Rooms.
   . Chat log display by selecting a day on Calendar.
  
positive.code: .How to change port number
  ====
  ----
  $ java -jar gki-0.1.13.jar --server.port=8081
  ----
  ====
  
  
negative.code: 
  == How to run / 実行方法
  
  Download `gki-0.1.14.jar` from
  https://github.com/nobusugi246/groovy-knowledge-integrator/releases[releases]
  link, then
  
  .How to run this application
  ====
  ----
  $ java -jar gki-0.1.14.jar
  ----
  ====
  
  