Added GossipLinkStore with basic replication for link state.
diff --git a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
index 103e670..efecb6c 100644
--- a/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
+++ b/core/store/serializers/src/main/java/org/onlab/onos/store/serializers/KryoPoolUtil.java
@@ -24,6 +24,7 @@
import org.onlab.onos.net.PortNumber;
import org.onlab.onos.net.device.DefaultDeviceDescription;
import org.onlab.onos.net.device.DefaultPortDescription;
+import org.onlab.onos.net.link.DefaultLinkDescription;
import org.onlab.onos.net.provider.ProviderId;
import org.onlab.onos.store.Timestamp;
import org.onlab.packet.IpAddress;
@@ -58,6 +59,7 @@
DefaultControllerNode.class,
DefaultDevice.class,
DefaultDeviceDescription.class,
+ DefaultLinkDescription.class,
MastershipRole.class,
Port.class,
DefaultPortDescription.class,