Enable operation in a multi-instance cluster

Change-Id: Ia384fbd972d8866f5dd893c523b5d43ef17e6458
diff --git a/app/pom.xml b/app/pom.xml
index 3f77eb6..9341b25 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -49,6 +49,13 @@
         </dependency>
 
         <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-core-serializers</artifactId>
+            <version>${onos.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
             <groupId>org.opencord</groupId>
             <artifactId>sadis-api</artifactId>
             <version>${sadis.api.version}</version>