Fix instantiating config in editor and terminal

IPython/html/static/edit/js/main.js

@@ -32,7 +32,7 require([
     contents = new contents.Contents({base_url: base_url});
     var config = new configmod.ConfigSection('edit', {base_url: base_url});
     config.load();
-    var common_config = new configmod.ConfigSection('common', common_options);
+    var common_config = new configmod.ConfigSection('common', {base_url: base_url});
     common_config.load();
     
     var editor = new editmod.Editor('#texteditor-container', {

IPython/html/static/terminal/js/main.js

@@ -19,7 +19,8 require([
     ){
     page = new page.Page();
 
-    var common_config = new configmod.ConfigSection('common', common_options);
+    var common_config = new configmod.ConfigSection('common', 
+                                    {base_url: utils.get_body_data('baseUrl')});
     common_config.load();
 
     // Test size: 25x80