講師登録一覧関係のファイルを追加、作成中
Completion of the koushi list and person view.
typo
Add the function of sanitize.
Add the function of varidate mail addoress.
Completion of the teacher managemant pages.
Merge branch 'koushi' into worker
Completion of the delete teacher data.
Merge branch 'koushi' into worker
Modify Specification.and nl2br to PersonView.
Modify html ingection.