improve promote script to use rsync instead of cp

releng.control/promote.sh

@@ -163,7 +163,7 @@ then
     
     until [ $exitCode == 0 ]
     do 	
-     rsync -${rsyncArgs} ${FROMDIR} ${TODIR}
+     ssh david_williams@build.eclipse.org rsync -${rsyncArgs} ${FROMDIR} ${TODIR}
      exitCode=$?
      if [ $exitCode != 0 ]
      then