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

Source/node_modules/center-align/index.js

@@ -0,0 +1,16 @@
+/*!
+ * center-align <https://github.com/jonschlinkert/center-align>
+ *
+ * Copycenter (c) 2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+var utils = require('./utils');
+
+module.exports = function centerAlign(val) {
+  return utils.align(val, function (len, longest) {
+    return Math.floor((longest - len) / 2);
+  });
+};