Cosmetic changes, annotations
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 26bff9b..f1e6740 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
@@ -87,6 +87,7 @@
     /**
      * Shutdown the Flow Manager operation.
      */
+    @Override
     public void finalize() {
     	close();
     }
@@ -108,7 +109,7 @@
      */
     @Override
     public Collection<Class<? extends IFloodlightService>> getModuleServices() {
-        Collection<Class<? extends IFloodlightService>> l = 
+        Collection<Class<? extends IFloodlightService>> l =
             new ArrayList<Class<? extends IFloodlightService>>();
         l.add(IFlowService.class);
         return l;
@@ -120,7 +121,7 @@
      * @return the collection of implemented services.
      */
     @Override
-    public Map<Class<? extends IFloodlightService>, IFloodlightService> 
+    public Map<Class<? extends IFloodlightService>, IFloodlightService>
 			       getServiceImpls() {
         Map<Class<? extends IFloodlightService>,
 	    IFloodlightService> m =
@@ -136,7 +137,7 @@
      * @return the collection of modules this module depends on.
      */
     @Override
-    public Collection<Class<? extends IFloodlightService>> 
+    public Collection<Class<? extends IFloodlightService>>
 				      getModuleDependencies() {
 	Collection<Class<? extends IFloodlightService>> l =
 	    new ArrayList<Class<? extends IFloodlightService>>();
@@ -361,6 +362,7 @@
      *
      * @return the network topology.
      */
+    @Override
     public Topology getTopology() {
 	return flowEventHandler.getTopology();
     }
@@ -371,6 +373,7 @@
      * @param sw the switch the Flow Entry expired on.
      * @param flowEntryId the Flow Entry ID of the expired Flow Entry.
      */
+    @Override
     public void flowEntryOnSwitchExpired(IOFSwitch sw,
 					 FlowEntryId flowEntryId) {
 	// Find the Flow Entry
@@ -399,6 +402,7 @@
      * @param entries the collection of <IOFSwitch, FlowEntry> pairs
      * that have been pushed.
      */
+    @Override
     public void flowEntriesPushedToSwitch(
 		Collection<Pair<IOFSwitch, FlowEntry>> entries) {