Updating mobility logs

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Making script that runs experiment several times begin from 1

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Changing example of ns2-mobility-trace to plot animation file for
visalization with NetAnim

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Storing another file for later retrival of contatLogs that stores eth0
mac address and the hostname.

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Add contact log generation

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Updating Hydra Image and main script with tool logs and a new
propagation model

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Addind source for the throughput tool and the init script to run it

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>
Adding create_bridges helper script

Signed-off-by: Daniel Bittencourt <dcb@dcc.ufam.edu.br>