tree 9dd45f59f78822568b1a5ede82506f05bf5610f4
parent efa17b2b3daac394f2365cb861bb8fc153c35634
author Pavlin Radoslavov <pavlin@onlab.us> 1407364477 -0700
committer Pavlin Radoslavov <pavlin@onlab.us> 1407364477 -0700

Fix a critical bug when removing entries from the Topology.

Also, fix method toString() for PortEvent and SwitchEvent so it
prints properly the switch DPID.

Change-Id: Ic9a7fe9422ab98b0d108cb5fd14bfbe4b08bc4ca