fix to update site

org.eclipse.wtp.releng.webupdatesite/build-home/copyOnlyNew.sh

+
+if [ "$1" != "-doit" ] ; then
+   echo "    This is a dry run. Add -doit to actually remove"
+   doit="--dry-run"
+else
+   doit=""
+fi
+
+rsync $doit  --ignore-existing -rv ~/downloads/webtools/milestones/plugins ~/downloads/webtools/updates/
+
+rsync $doit  --ignore-existing -rv ~/downloads/webtools/milestones/features ~/downloads/webtools/updates/
+
+if [ "$doit" = "--dry-run" ] ; then
+   echo "    This was a dry run. Add -doit to actually remove"
+fi
+