Log every time we get a resource from the network

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@521 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/resource/NetworkResourceBundle.java

@@ -88,6 +88,7 @@ public class NetworkResourceBundle extends ResourceBundle
         if (ucon == null) {
             return null;
         }
+        log.info("Fetching", "url", resourceUrl);
         
         try {
             ucon.connect();