remove rever dependency in sesson and loginwidget

notebook/static/auth/js/loginwidget.js

@@ -2,10 +2,9 @@
 // Distributed under the terms of the Modified BSD License.
 
 define([
-    'base/js/namespace',
     'base/js/utils',
     'jquery',
-], function(IPython, utils, $){
+], function(utils, $){
     "use strict";
 
     var LoginWidget = function (selector, options) {
@@ -19,7 +18,6 @@ define([
     };
 
 
-
     LoginWidget.prototype.bind_events = function () {
         var that = this;
         this.element.find("button#logout").click(function () {
@@ -36,8 +34,5 @@ define([
         });
     };
 
-    // Set module variables
-    IPython.LoginWidget = LoginWidget;
-
     return {'LoginWidget': LoginWidget};
 });

notebook/static/base/js/namespace.js

@@ -21,6 +21,8 @@ define(function(){
 
     Jupyter.NotificationWidget = require('base/js/notificationwidget').NotificationWidget;
     Jupyter.Kernel = require('services/kernels/kernel').Kernel;
+    Jupyter.Session = require('services/kernels/session').Session;
+    Jupyter.LoginWidget = require('auth/js/loginwidget').LoginWidget
 
     Jupyter.version = "4.0.0.dev";
     Jupyter._target = '_blank';

notebook/static/services/sessions/session.js

@@ -2,11 +2,10 @@
 // Distributed under the terms of the Modified BSD License.
 
 define([
-    'base/js/namespace',
     'jquery',
     'base/js/utils',
     'services/kernels/kernel',
-], function(IPython, $, utils, kernel) {
+], function($, utils, kernel) {
     "use strict";
 
     /**
@@ -309,11 +308,9 @@ define([
         this.name = "SessionAlreadyStarting";
         this.message = (message || "");
     };
+    
     SessionAlreadyStarting.prototype = Error.prototype;
     
-    // For backwards compatability.
-    IPython.Session = Session;
-
     return {
         Session: Session,
         SessionAlreadyStarting: SessionAlreadyStarting