Added Kryo serializers for Ip4Address, Ip6Address, Ip4Prefix, Ip6Prefix

Change-Id: Ib014bbe40b3df5c778e2d16d7b65b1cb62944e1c
diff --git a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoNamespaces.java
index 80db22e..e0348ff 100644
--- a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoNamespaces.java
@@ -88,7 +88,11 @@
 import org.onlab.onos.store.Timestamp;
 import org.onlab.packet.ChassisId;
 import org.onlab.packet.IpAddress;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip6Address;
 import org.onlab.packet.IpPrefix;
+import org.onlab.packet.Ip4Prefix;
+import org.onlab.packet.Ip6Prefix;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
 import org.onlab.util.KryoNamespace;
@@ -104,7 +108,11 @@
      */
     public static final KryoNamespace MISC = KryoNamespace.newBuilder()
             .register(IpPrefix.class, new IpPrefixSerializer())
+            .register(Ip4Prefix.class, new Ip4PrefixSerializer())
+            .register(Ip6Prefix.class, new Ip6PrefixSerializer())
             .register(IpAddress.class, new IpAddressSerializer())
+            .register(Ip4Address.class, new Ip4AddressSerializer())
+            .register(Ip6Address.class, new Ip6AddressSerializer())
             .register(MacAddress.class, new MacAddressSerializer())
             .register(VlanId.class)
             .build();