Actually define the module

I didn't forget something really obvious and important. Not at all.

IPython/html/static/services/config.js

@@ -1,63 +1,65
 // Copyright (c) IPython Development Team.
 // Distributed under the terms of the Modified BSD License.
 
 define([
     'jquery',
     'base/js/utils',
     ],
 function($, utils) {
     var ConfigSection = function(section_name, options) {
         this.section_name = section_name;
         this.base_url = options.base_url;
         this.data = {};
         
         var that = this;
         
         /* .loaded is a promise, fulfilled the first time the config is loaded
          * from the server. Code can do:
          *      conf.loaded.then(function() { ... using conf.data ... });
          */
         this._one_load_finished = false;
         this.loaded = new Promise(function(resolve, reject) {
             that._finish_firstload = resolve;
         });
     };
 
     ConfigSection.prototype.api_url = function() {
         return utils.url_join_encode(this.base_url, 'api/config', that.section_name);
     };
     
     ConfigSection.prototype._load_done = function() {
         if (!this._one_load_finished) {
             this._one_load_finished = true;
             this._finish_firstload();
         }
     };
     
     ConfigSection.prototype.load = function() {
         return utils.promising_ajax(this.api_url(), {
             cache: false,
             type: "GET",
             dataType: "json",
         }).then(function(data) {
             this.data = data;
             this._load_done();
             return data;
         });
     };
     
     ConfigSection.prototype.update = function(newdata) {
         return utils.promising_ajax(this.api_url(), {
             processData: false,
             type : "PATCH",
             data: JSON.stringify(newdata),
             dataType : "json",
             contentType: 'application/json',
         }).then(function(data) {
             this.data = data;
             this._load_done();
             return data;
         });
     };
+    
+    return {ConfigSection: ConfigSection};
 
 });