moved example topology to examples folder.
added a simple topology used for the year 1 demo storyboard
diff --git a/start_dcnetwork b/start_dcnetwork
index 6deb2c9..7280054 100755
--- a/start_dcnetwork
+++ b/start_dcnetwork
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 # start DC Network
-python src/emuvim/example_topology.py
+python src/emuvim/examples/simple_topology.py
+