Did porting of PROXYARP and Forwarding to the new-datamodel branch.

Change-Id: Ibbc46e20e31627daf68149b7cb31b055d3441eaf
diff --git a/src/main/java/net/onrc/onos/ofcontroller/devicemanager/OnosDevice.java b/src/main/java/net/onrc/onos/ofcontroller/devicemanager/OnosDevice.java
index 546ec64..d94eb1f 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/devicemanager/OnosDevice.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/devicemanager/OnosDevice.java
@@ -81,7 +81,8 @@
     // ************
     // Constructors
     // ************
-    
+     protected OnosDevice() {}
+     
     /**
      * Create a new entity
      *