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

Source/node_modules/promise/lib/done.js

@@ -0,0 +1,13 @@
+'use strict';
+
+var Promise = require('./core.js');
+
+module.exports = Promise;
+Promise.prototype.done = function (onFulfilled, onRejected) {
+  var self = arguments.length ? this.then.apply(this, arguments) : this;
+  self.then(null, function (err) {
+    setTimeout(function () {
+      throw err;
+    }, 0);
+  });
+};