Changed startup scripts to Check if Cassandra is NOT running on local berkeley db
diff --git a/cassandra.titan b/cassandra.titan
new file mode 100644
index 0000000..ef6f3ae
--- /dev/null
+++ b/cassandra.titan
@@ -0,0 +1,3 @@
+storage.backend=cassandra
+storage.hostname=localhost
+storage.keyspace=onos