Add comment to allowed path in localhost filter

Author: ahornace

src/org/opensolaris/opengrok/web/api/v1/filter/LocalhostFilter.java

@@ -48,6 +48,13 @@ public class LocalhostFilter implements ContainerRequestFilter {
 
     private static final Logger logger = LoggerFactory.getLogger(LocalhostFilter.class);
 
+    /**
+     * Endpoint paths that are exempted from this filter.
+     * @see SearchController#search(HttpServletRequest, String, String, String, String, String, String,
+     * java.util.List, int, int)
+     * @see SuggesterController#getSuggestions(org.opensolaris.opengrok.web.api.v1.suggester.model.SuggesterQueryData)
+     * @see SuggesterController#getConfig()
+     */
     private static final Set<String> allowedPaths = new HashSet<>(Arrays.asList(
             SearchController.PATH, SuggesterController.PATH, SuggesterController.PATH + "/config"));