Implemented REST API for multicast RIB.

Change-Id: I5de6fe0aae412083597113e355ba0e8c984be5f1
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/CodecManager.java b/core/common/src/main/java/org/onosproject/codec/impl/CodecManager.java
index 99030ca..cbed1c2 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/CodecManager.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/CodecManager.java
@@ -53,6 +53,7 @@
 import org.onosproject.net.intent.HostToHostIntent;
 import org.onosproject.net.intent.Intent;
 import org.onosproject.net.intent.PointToPointIntent;
+import org.onosproject.net.mcast.McastRoute;
 import org.onosproject.net.meter.Band;
 import org.onosproject.net.meter.Meter;
 import org.onosproject.net.meter.MeterRequest;
@@ -117,6 +118,7 @@
         registerCodec(FilteringObjective.class, new FilteringObjectiveCodec());
         registerCodec(ForwardingObjective.class, new ForwardingObjectiveCodec());
         registerCodec(NextObjective.class, new NextObjectiveCodec());
+        registerCodec(McastRoute.class, new McastRouteCodec());
         log.info("Started");
     }