add some packages

node_modules/is-glob/index.js

@@ -0,0 +1,14 @@
+/*!
+ * is-glob <https://github.com/jonschlinkert/is-glob>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+var isExtglob = require('is-extglob');
+
+module.exports = function isGlob(str) {
+  return typeof str === 'string'
+    && (/[*!?{}(|)[\]]/.test(str)
+     || isExtglob(str));
+};