fix #75

...ain/java/jp/sf/fess/action/admin/dict/UserDictAction.java

src/main/java/jp/sf/fess/dict/DictionaryManager.java

src/main/java/jp/sf/fess/dict/synonym/SynonymFile.java

src/main/java/jp/sf/fess/dict/userdict/UserDictFile.java

src/main/java/jp/sf/fess/dict/userdict/UserDictItem.java

src/main/java/jp/sf/fess/dict/userdict/UserDictLocator.java

src/main/java/jp/sf/fess/form/admin/dict/UserDictForm.java

src/main/java/jp/sf/fess/pager/UserDictPager.java

src/main/java/jp/sf/fess/service/UserDictService.java

src/main/resources/application.properties

src/main/resources/application_ja.properties

src/main/resources/fess_dict.dicon

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

src/main/webapp/WEB-INF/view/admin/dict/userdict/edit.jsp

src/main/webapp/WEB-INF/view/admin/dict/userdict/error.jsp

src/main/webapp/WEB-INF/view/admin/dict/userdict/index.jsp

src/test/java/jp/sf/fess/dict/userdict/UserDictFileTest.java

src/test/java/jp/sf/fess/dict/userdict/UserDictItemTest.java

...st/java/jp/sf/fess/dict/userdict/UserDictLocatorTest.java