Implemented ARP reply notifications when a new device is written to the database. Created an ArpMessage class which is the object put into hazelcast for both requests and replies
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java
index 51d92bd..4ec32ec 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java
@@ -7,5 +7,5 @@
 	 * @param id The string ID of the ARP request
 	 * @param arpRequest The ARP request packet
 	 */
-	public void arpRequestNotification(byte[] arpRequest);
+	public void arpRequestNotification(ArpMessage arpMessage);
 }