shared toolbar radio button style is working. just need to store state.

UI/Shared/Toolbar/ButtonModel.js

@@ -0,0 +1,17 @@
+"use strict";
+define(['app'], function () {
+
+    NzbDrone.Shared.Toolbar.ActionTypes =
+    {
+        RouteTrigger: 'RouteTrigger',
+        CallBack    : 'CallBack'
+    };
+
+    NzbDrone.Shared.Toolbar.ButtonModel = Backbone.Model.extend({
+        defaults: {
+            'target' : '/nzbdrone/route',
+            'title'  : '',
+            'active' : false,
+            'tooltip': undefined        }
+    });
+});