Merge pull request #334 from kw-udon/dev

.../codelibs/fess/app/service/FileAuthenticationService.java

src/main/java/org/codelibs/fess/app/service/UserService.java

...min/fileauthentication/AdminFileauthenticationAction.java

...ibs/fess/app/web/admin/fileauthentication/CreateForm.java

...elibs/fess/app/web/admin/fileauthentication/EditForm.java

...ibs/fess/app/web/admin/fileauthentication/SearchForm.java

...org/codelibs/fess/app/web/admin/user/AdminUserAction.java

...java/org/codelibs/fess/app/web/admin/user/CreateForm.java

...n/java/org/codelibs/fess/app/web/admin/user/EditForm.java

...java/org/codelibs/fess/app/web/admin/user/SearchForm.java

...admin/webauthentication/AdminWebauthenticationAction.java

...libs/fess/app/web/admin/webauthentication/CreateForm.java

.../webapp/WEB-INF/view/admin/fileauthentication/confirm.jsp

src/main/webapp/WEB-INF/view/admin/user/confirm.jsp