Changed 3rd party structure using node_modules.

lib/3rdparty/systemjs/babel-helpers/extends.js

@@ -1,13 +0,0 @@
-export default Object.assign || function (target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i];
-
-    for (var key in source) {
-      if (Object.prototype.hasOwnProperty.call(source, key)) {
-        target[key] = source[key];
-      }
-    }
-  }
-
-  return target;
-};