Added progress messaging, using info logging

Also extension methods for complete and failed (for coloured UI messaging)

UI/ProgressMessaging/ProgressMessageModel.js

@@ -0,0 +1,8 @@
+'use strict';
+define(
+    [
+        'backbone'
+    ], function (Backbone) {
+        return Backbone.Model.extend({
+        });
+    });