Paths for finding the files in ns3 simulation
Rolling back some mistaken previous modifications

This version of lupa includes a call to flush in the main loop to flush log
messages to the console.
Add error handling on send and receive. Add flush by line.
Add a command for setting the fsm as a file on the node.
Repair a bug in the suscription template
Merge pull request #1 from mrichart/master

Some bug repairs and new command for fsm as a file