Fixed #45
Merge pull request #50 from KazumaKobayashi/reissue

再発行可能なら再発行するように変更
Merge pull request #52 from KazumaKobayashi/master

Group関係　
Add indentity verification in UserController. Fixed #39
Merge branch 'develop' of https://github.com/KazumaKobayashi/fierce-escarpment-6843 into develop
Fixed tests.
Add url-pattern
Merge pull request #53 from KazumaKobayashi/develop

テスト修正と、自分でなければユーザ系の更新を出来ないように変更