Merge pull request #54 from watson-developer-cloud/feature-fix-watsoncamera2

* Changed OnEnable / OnDisable function signatures to protected virtu…

Author: mediumTaj

Config.json.enc

@@ -121,15 +121,15 @@ public CameraTarget DefaultCameraTarget
 
         #region Event Registration
 
-        void OnEnable()
+        protected virtual void OnEnable()
         {
             EventManager.Instance.RegisterEventReceiver("OnCameraReset", ResetCameraPosition);
             EventManager.Instance.RegisterEventReceiver("OnCameraSetAntiAliasing", OnCameraSetAntiAliasing);
             EventManager.Instance.RegisterEventReceiver("OnCameraSetDepthOfField", OnCameraSetDepthOfField);
             EventManager.Instance.RegisterEventReceiver("OnCameraSetInteractivity", OnCameraSetTwoFingerDrag);
         }
 
-        void OnDisable()
+        protected virtual void OnDisable()
         {
             EventManager.Instance.UnregisterEventReceiver("OnCameraReset", ResetCameraPosition);
             EventManager.Instance.UnregisterEventReceiver("OnCameraSetAntiAliasing", OnCameraSetAntiAliasing);