fix #2538 add url conversion

src/main/java/org/codelibs/fess/Constants.java

...delibs/fess/crawler/transformer/FessXpathTransformer.java

...main/java/org/codelibs/fess/helper/PathMappingHelper.java

src/main/java/org/codelibs/fess/job/CrawlJob.java

...main/java/org/codelibs/fess/job/GenerateThumbnailJob.java

src/main/java/org/codelibs/fess/job/PythonJob.java

src/main/java/org/codelibs/fess/job/SuggestJob.java

...ain/java/org/codelibs/fess/mylasta/action/FessLabels.java

src/main/resources/fess_label.properties

src/main/resources/fess_label_en.properties

src/main/resources/fess_label_ja.properties

...bapp/WEB-INF/view/admin/pathmap/admin_pathmap_details.jsp

.../webapp/WEB-INF/view/admin/pathmap/admin_pathmap_edit.jsp