1 - Rename PortSettings to CmdLineSettings

2 - Added a call to change StaticFlowPusher push interval
3 - Added various comments

src/main/java/net/floodlightcontroller/topology/internal/TopologyImpl.java

@@ -997,6 +997,7 @@ public class TopologyImpl implements IOFMessageListener, IOFSwitchListener,
     }
 
     /**
+<<<<<<< HEAD
      * @author Srinivasan Ramasubramanian
      * 
      * This function divides the network into clusters. Every cluster is