Adding intent operations batch abstraction.
Adding copyright to intent and flows.
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
index 1a6ca38..3a3d476 100644
--- a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
@@ -126,6 +126,12 @@
 
     // FIXME: implement this method
     @Override
+    public void replace(IntentId oldIntentId, Intent newIntent) {
+        throw new UnsupportedOperationException("execute() is not implemented yet");
+    }
+
+    // FIXME: implement this method
+    @Override
     public Future<IntentOperations> execute(IntentOperations operations) {
         throw new UnsupportedOperationException("execute() is not implemented yet");
     }