add feature definition for gossip dist.

Change-Id: Icf89c8c3050dc8e45ba28b261c482f689e47e1a2
diff --git a/features/features.xml b/features/features.xml
index 20ef431..2ea8ef8 100644
--- a/features/features.xml
+++ b/features/features.xml
@@ -54,6 +54,16 @@
         <bundle>mvn:org.onlab.onos/onos-core-hz-net/1.0.0-SNAPSHOT</bundle>
     </feature>
 
+    <feature name="onos-core-dist" version="1.0.0"
+             description="ONOS core components">
+        <feature>onos-api</feature>
+        <bundle>mvn:org.onlab.onos/onos-core-net/1.0.0-SNAPSHOT</bundle>
+        <bundle>mvn:org.onlab.onos/onos-core-hz-common/1.0.0-SNAPSHOT</bundle>
+        <bundle>mvn:org.onlab.onos/onos-core-serializers/1.0.0-SNAPSHOT</bundle>
+        <bundle>mvn:org.onlab.onos/onos-core-hz-cluster/1.0.0-SNAPSHOT</bundle>
+        <bundle>mvn:org.onlab.onos/onos-core-dist/1.0.0-SNAPSHOT</bundle>
+    </feature>
+
     <feature name="onos-core-trivial" version="1.0.0"
              description="ONOS core components">
         <feature>onos-api</feature>