Publish new buck packages to maven central

Change-Id: I7abf25830c8c4ce3b6c998d60591f3898c71f55e
diff --git a/tools/build/buck-publish b/tools/build/buck-publish
index 8d9d84d..01ed7d9 100755
--- a/tools/build/buck-publish
+++ b/tools/build/buck-publish
@@ -27,5 +27,6 @@
 
 buck-publish-setup $BUCK_BRANCH $ONOS_BRANCH $YANG_BRANCH $DIR
 pushd $DIR && buck-publish-package $4 && popd
+cp $DIR/onos/tools/build/onos-buck $ONOS_ROOT/tools/build/onos-buck