code clean-up

...codelibs/fess/app/web/admin/backup/AdminBackupAction.java

...libs/fess/app/web/admin/fileauth/AdminFileauthAction.java

...bs/fess/app/web/admin/reqheader/AdminReqheaderAction.java

...eb/api/admin/crawlinginfo/ApiAdminCrawlinginfoAction.java

...elibs/fess/app/web/api/admin/dict/ApiAdminDictAction.java

...b/api/admin/dict/kuromoji/ApiAdminDictKuromojiAction.java

...web/api/admin/dict/mapping/ApiAdminDictMappingAction.java

...b/api/admin/dict/seunjeon/ApiAdminDictSeunjeonAction.java

...web/api/admin/dict/synonym/ApiAdminDictSynonymAction.java

.../web/api/admin/elevateword/ApiAdminElevatewordAction.java

...pp/web/api/admin/failureurl/ApiAdminFailureurlAction.java

...ss/app/web/api/admin/fileauth/ApiAdminFileauthAction.java

...odelibs/fess/app/web/api/admin/log/ApiAdminLogAction.java

.../app/web/api/admin/reqheader/ApiAdminReqheaderAction.java

...fess/app/web/api/admin/webauth/ApiAdminWebauthAction.java

src/main/java/org/codelibs/fess/auth/chain/CommandChain.java

src/main/java/org/codelibs/fess/auth/chain/LdapChain.java

...rg/codelibs/fess/exception/CommandExecutionException.java

src/main/java/org/codelibs/fess/helper/DocumentHelper.java

src/main/java/org/codelibs/fess/helper/UserInfoHelper.java