Merge pull request #87 from KazumaKobayashi/develop

ResponseのContent-Typeにapplication/jsonを設定するフィルターの追加など
Merge pull request #101 from KazumaKobayashi/develop

色々修正版
Add StatusCode
Few Changes
Add Status Code
Add status Code & The password is deleted by a deleteTokenMethod.
Merge pull request #102 from KazumaKobayashi/master

StatusCodeUtilの作成と各ControllerへのStatusCodeの適応