Merge pull request #331 from kw-udon/dev

.../java/org/codelibs/fess/app/service/LabelTypeService.java

...org/codelibs/fess/app/service/OverlappingHostService.java

...n/java/org/codelibs/fess/app/service/RoleTypeService.java

...bs/fess/app/web/admin/labeltype/AdminLabeltypeAction.java

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

...a/org/codelibs/fess/app/web/admin/labeltype/EditForm.java

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

...web/admin/overlappinghost/AdminOverlappinghostAction.java

...delibs/fess/app/web/admin/overlappinghost/CreateForm.java

...codelibs/fess/app/web/admin/overlappinghost/EditForm.java

...delibs/fess/app/web/admin/overlappinghost/SearchForm.java

...libs/fess/app/web/admin/roletype/AdminRoletypeAction.java

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

...va/org/codelibs/fess/app/web/admin/roletype/EditForm.java

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

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

...ain/webapp/WEB-INF/view/admin/overlappinghost/confirm.jsp

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