remove special characters which was causing bbb-fsesl-client fail to build

bbb-fsesl-client/src/main/java/org/freeswitch/esl/client/internal/debug/ChannelEventRunnable.java

@@ -32,7 +32,7 @@ import org.slf4j.LoggerFactory;
  * @author The Netty Project (netty-dev@lists.jboss.org)
  * @author Trustin Lee (tlee@redhat.com)
  *
- * @version $Rev: 1685 $, $Date: 2009-08-28 16:15:49 +0900 (금, 28 8 2009) $
+ * @version $Rev: 1685 $, $Date: 2009-08-28 16:15:49 +0900 $
  *
  */
 public class ChannelEventRunnable implements Runnable, EstimatableObjectWrapper {

bbb-fsesl-client/src/main/java/org/freeswitch/esl/client/internal/debug/ExecutionHandler.java

@@ -54,7 +54,7 @@ import org.jboss.netty.util.internal.ExecutorUtil;
  * @author The Netty Project (netty-dev@lists.jboss.org)
  * @author Trustin Lee (tlee@redhat.com)
  *
- * @version $Rev: 1685 $, $Date: 2009-08-28 16:15:49 +0900 (금, 28 8 2009) $
+ * @version $Rev: 1685 $, $Date: 2009-08-28 16:15:49 +0900 $
  *
  * @apiviz.landmark
  * @apiviz.has java.util.concurrent.ThreadPoolExecutor