Added Gitter badge
Merge pull request #2 from Kuchitama/master

Implemented post message
Merge pull request #3 from Kuchitama/master

add RAEDME to sample project.
Merge pull request #1 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
configからの取得を隠蔽。AccessTokenの取得を隠蔽
messageの取得を実装