Small refactoring to support new packet-out API

Change-Id: I33094045b074fc00352ec1ba62e18e690dc3f3ad
diff --git a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
index 8c77fc8..e229d30 100644
--- a/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
+++ b/src/main/java/net/onrc/onos/core/util/serializers/KryoFactory.java
@@ -8,8 +8,6 @@
 
 import net.floodlightcontroller.util.MACAddress;
 import net.onrc.onos.apps.proxyarp.ArpReplyNotification;
-import net.onrc.onos.apps.proxyarp.BroadcastPacketOutNotification;
-import net.onrc.onos.apps.proxyarp.SinglePacketOutNotification;
 import net.onrc.onos.core.devicemanager.OnosDevice;
 import net.onrc.onos.core.intent.ConstrainedShortestPathIntent;
 import net.onrc.onos.core.intent.ErrorIntent;
@@ -19,6 +17,8 @@
 import net.onrc.onos.core.intent.PathIntent;
 import net.onrc.onos.core.intent.ShortestPathIntent;
 import net.onrc.onos.core.intent.runtime.IntentStateList;
+import net.onrc.onos.core.packetservice.BroadcastPacketOutNotification;
+import net.onrc.onos.core.packetservice.SinglePacketOutNotification;
 import net.onrc.onos.core.topology.DeviceEvent;
 import net.onrc.onos.core.topology.LinkEvent;
 import net.onrc.onos.core.topology.Path;
@@ -50,6 +50,7 @@
 import net.onrc.onos.core.util.Switch;
 // import net.onrc.onos.core.util.SwitchPort;
 
+
 import com.esotericsoftware.kryo.Kryo;
 
 /**