User model
Fetch API
Public timeline model
Write somecomments
Merge pull request #6 from PhysicsEngine/mongo-hq-model

Mongo hq model
Merge remote-tracking branch 'origin/mongo-hq-model' into merge
Merge pull request #7 from PhysicsEngine/controller

routerとcontrollerの仕様作成
Rename models
Merge remote-tracking branch 'origin/master' into controller
add timeline executer