pool: include client IP in mover ls for netty based movers

Motivation:
the `mover ls` command doesn't include the clients IP for xroot and
http protocol, which makes debugging more complicated.

Modification:
include client IP in the output of `mover ls` command.

Result:
Better debugging

Acked-by: Lea Morschel
Target: master
Require-book: no
Require-notes: yes

modules/dcache/src/main/java/org/dcache/pool/movers/MoverChannelMover.java

@@ -21,6 +21,7 @@
 
 import diskCacheV111.util.CacheException;
 import diskCacheV111.util.DiskErrorCacheException;
+import diskCacheV111.vehicles.IpProtocolInfo;
 import diskCacheV111.vehicles.PoolIoFileMessage;
 import diskCacheV111.vehicles.ProtocolInfo;
 import dmg.cells.nucleus.CellPath;
@@ -104,6 +105,10 @@ protected String getStatus() {
             }
         } catch (IOException e) {
         }
+
+        s.append(",cl=[")
+              .append(((IpProtocolInfo)getProtocolInfo()).getSocketAddress().getAddress().getHostAddress())
+              .append("]");
         return s.toString();
     }
 }