Some preliminary stuff
Add new ns-3
Get back to the initial state of NS-3 required for DDC.
Reimplementing DDC
More DDC stuff, also tested.

- Must write control plane now
Some more logging
Some fixes before vnodes are added
First batch of vnode changes
Fix AEO with locking
Add delays
Get distances, and links for each node
Fix all reversal stuff
Finally get reversal to work
Enough code to track what is going on
Topology read bits for stretch.cc
Added better logging, and increased TTL
Probe reversals
Stretch changes
Just boost
Everything else