If you want to run Pox module for IRI-IIF, you need to

1.  have Pox and all dependencies installed
2.  run prepare.sh to patch Pox [-d directory where Pox is installed]
2a. run slis
3.  run controller
	  sudo ./pox.py samples.pretty_log openflow.discovery host_tracker forwarding.l2_learning misc.slis_wrapper
