[runtools] fix merge-mangled config loading

Author: jcb91

src/jupyter_contrib_nbextensions/nbextensions/runtools/main.js

@@ -11,10 +11,6 @@ define([
 ], function(Jupyter, $, require, events, configmod, utils, codecell) {
     "use strict";
 
-    var base_url = utils.get_body_data("baseUrl");
-    var config = new configmod.ConfigSection('notebook', {
-        base_url: base_url
-    });
     var run_list = []; /* list of cells to be run */
 
     // define default config parameter values
@@ -33,15 +29,6 @@ define([
         run_color: '#f30a2d'
     };
 
-    // updates default params with any specified in the provided config data
-    var update_params = function(config_data) {
-        for (var key in params) {
-            if (config_data.hasOwnProperty(key)) {
-                params[key] = config_data[key];
-            }
-        }
-    };
-
     /**
      * Add event if user clicks on codemirror gutter
      *
@@ -70,9 +57,7 @@ define([
      * Initialize toolbar and gutter after config was loaded
      */
     function initialize() {
-        if (Jupyter.notebook.config.data.hasOwnProperty('runtools')) {
-            update_params(Jupyter.notebook.config.data.runtools)
-        }
+        $.extend(true, params, Jupyter.notebook.config.data.runtools);
 
         add_gutter_events();
 
@@ -773,11 +758,9 @@ define([
                 events.one('notebook_loaded.Notebook', initGutter);
             }
         });
-        config.load()
+        Jupyter.notebook.config.loaded.then(initialize);
     };
 
-    Jupyter.notebook.config.loaded.then(initialize);
-
     return {
         load_jupyter_extension: load_extension,
         load_ipython_extension: load_extension