Made "ReactiveFowarding" work in the multiple ONOS instance.
Fixed "Intent" path installed event issue.

Change-Id: Ibc75bc7b0ab0a723d7b8a74d524c80b1fa19465f
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 3d7f4aa..c37f3ad 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
@@ -4,6 +4,7 @@
 import java.net.InetAddress;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.HashSet;
 
 import net.floodlightcontroller.util.MACAddress;
@@ -210,6 +211,7 @@
         kryo.register(IntentOperation.Operator.class);
         kryo.register(IntentOperationList.class);
         kryo.register(IntentStateList.class);
+        kryo.register(HashMap.class);
 
         // Device-related classes
         kryo.register(HashSet.class);