settings is fully moved to required.

UI/Mixins/AsChangeTrackingModel.js

@@ -0,0 +1,31 @@
+'use strict';
+
+define(
+    function () {
+
+        return function () {
+
+            var originalInit = this.prototype.initialize;
+
+            this.prototype.initialize = function () {
+
+                this.isSaved = true;
+
+                this.on('change', function () {
+                    this.isSaved = false;
+                }, this);
+
+                this.on('sync', function () {
+                    this.isSaved = true;
+                }, this);
+
+
+                if (originalInit) {
+                    originalInit.call(this);
+                }
+            };
+
+            return this;
+        };
+    }
+);