fixed directry reference in scritps
diff --git a/cluster-mgmt/bin/cassandra b/cluster-mgmt/bin/cassandra
index 262c936..b2033ad 100755
--- a/cluster-mgmt/bin/cassandra
+++ b/cluster-mgmt/bin/cassandra
@@ -1,5 +1,5 @@
 #! /bin/bash
-. ${HOME}/bin/func.sh
+. `dirname $0`/func.sh
 
 #$0 $1 $2
 `basename $0` $1 $2