fixed directry reference in scritps
diff --git a/cluster-mgmt/bin/config.sh b/cluster-mgmt/bin/config.sh
index 5baf2e0..19bfbf2 100755
--- a/cluster-mgmt/bin/config.sh
+++ b/cluster-mgmt/bin/config.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. ${HOME}/bin/func.sh
+. `dirname $0`/func.sh
 
 basename=$ONOS_CLUSTER_BASENAME
 nr_nodes=$ONOS_CLUSTER_NR_NODES