Kryo related fixes

- KryoNamespace to allow control over registration id

Change-Id: Idc2a0e27a09916657c725ee97e4366109144cc66
diff --git a/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java b/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java
index f14ef92..5aae159 100644
--- a/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java
+++ b/core/store/dist/src/test/java/org/onlab/onos/store/service/impl/MapDBLogTest.java
@@ -22,7 +22,7 @@
  */
 public class MapDBLogTest {
 
-    private static final StoreSerializer SERIALIZER = ClusterMessagingProtocol.SERIALIZER;
+    private static final StoreSerializer SERIALIZER = ClusterMessagingProtocol.DB_SERIALIZER;
     private static final Entry TEST_ENTRY1 = new OperationEntry(1, "test1");
     private static final Entry TEST_ENTRY2 = new OperationEntry(2, "test12");
     private static final Entry TEST_ENTRY3 = new OperationEntry(3, "test123");