Use LinkEvent class instead of Link class for elements of Path

Change-Id: Iaf40f6e21d7cc411476909d3a3f32746787e16a6
diff --git a/src/main/java/net/onrc/onos/intent/IntentOperation.java b/src/main/java/net/onrc/onos/intent/IntentOperation.java
index c769811..506dd52 100644
--- a/src/main/java/net/onrc/onos/intent/IntentOperation.java
+++ b/src/main/java/net/onrc/onos/intent/IntentOperation.java
@@ -26,7 +26,7 @@
 
 	public Operator operator;
 	public Intent intent;
-	
+
 	@Override
 	public String toString() {
 		return operator.toString() + ", (" + intent.toString() + ")";