removed backbone from VS solution,

renamed NzbDrone.Backbone to UI

UI/Quality/QualitySizeModel.js

@@ -0,0 +1,17 @@
+define(['app'], function () {
+    NzbDrone.Quality.QualitySizeModel = Backbone.Model.extend({
+
+        initialize: function () {
+            this.validators = {};
+        },
+
+        mutators: {
+            thirtyMinuteSize: function() {
+                return this.get('maxSize') * 30;
+            },
+            sixtyMinuteSize: function(){
+                return this.get('maxSize') * 60;
+            }
+        }
+    });
+});