Reinstall onos completely for pkt/optical tutorial

Change-Id: I145d02f53ae571eb00dfcca97ee27f9c9c97c58e
diff --git a/dist-setup.sh b/dist-setup.sh
index 51426f3..0ff8055 100644
--- a/dist-setup.sh
+++ b/dist-setup.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # vm-setup.sh
 #  
-# This script installs ONOS dependencies and installs a desktop environment on a Miniet VM.
+# This script installs ONOS dependencies and installs a desktop environment on a Mininet VM.
 
 
 export CURRENT_USER=distributed