* Added/updated debug log messages.

* Replaced for() loop that just adds container entries one-by-one
  with addAll() call.

* Updated comments.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
index 1b4dc4d..c974e9e 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
@@ -868,7 +868,7 @@
 
 	    boolean isFlowEntryDeleted = false;
 	    for (FlowEntry flowEntry : flowPath.flowEntries()) {
-		System.out.println("PAVPAV: P40: Updating Flow Entry: " + flowEntry.toString());
+		log.debug("Updating Flow Entry: {}", flowEntry.toString());
 
 		if (flowEntry.flowEntrySwitchState() !=
 		    FlowEntrySwitchState.FE_SWITCH_NOT_UPDATED) {