Added topo launcher.
diff --git a/tools/test/topos/tt.py b/tools/test/topos/tt.py
new file mode 100644
index 0000000..b74d446
--- /dev/null
+++ b/tools/test/topos/tt.py
@@ -0,0 +1,5 @@
+#!/usr/bin/python
+# Launches mininet with Tower topology configuration.
+import sys, tower
+net = tower.Tower(cip=sys.argv[1])
+net.run()