Added a couple more bracketing log messages just to confirm

my own sanity.
Some small formatting changes.

jme3-networking/src/main/java/com/jme3/network/message/SerializerRegistrationsMessage.java

@@ -151,10 +151,12 @@ public class SerializerRegistrationsMessage extends AbstractMessage {
             }
         }
         
+        log.log(Level.FINE, "Registering {0} classes...", registrations.length);
         for( Registration reg : registrations ) {
             log.log(Level.INFO, "Registering:{0}", reg);
             reg.register();
         }
+        log.log(Level.FINE, "Done registering serializable classes.");
     }
     
     @Serializable