First support for md extensions; Package all needed dependencies in the repo

Source/node_modules/babel-runtime/helpers/objectWithoutProperties.js

@@ -0,0 +1,15 @@
+"use strict";
+
+exports.__esModule = true;
+
+exports.default = function (obj, keys) {
+  var target = {};
+
+  for (var i in obj) {
+    if (keys.indexOf(i) >= 0) continue;
+    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
+    target[i] = obj[i];
+  }
+
+  return target;
+};