Use LinkEvent class instead of Link class for elements of Path

Change-Id: Iaf40f6e21d7cc411476909d3a3f32746787e16a6
diff --git a/src/main/java/net/onrc/onos/intent/IntentOperationList.java b/src/main/java/net/onrc/onos/intent/IntentOperationList.java
index af00373..05e5b5c 100644
--- a/src/main/java/net/onrc/onos/intent/IntentOperationList.java
+++ b/src/main/java/net/onrc/onos/intent/IntentOperationList.java
@@ -2,9 +2,12 @@
 
 import java.util.ArrayList;
 
+/**
+ * @author Toshio Koide (t-koide@onlab.us)
+ */
 public class IntentOperationList extends ArrayList<IntentOperation> {
 	private static final long serialVersionUID = -3894081461861052610L;
-	
+
 	public boolean add(IntentOperation.Operator op, Intent intent) {
 		return add(new IntentOperation(op, intent));
 	}