updated sys and created publi

publi/node_modules/object.pick/index.js

@@ -0,0 +1,35 @@
+/*!
+ * object.pick <https://github.com/jonschlinkert/object.pick>
+ *
+ * Copyright (c) 2014-2015 Jon Schlinkert, contributors.
+ * Licensed under the MIT License
+ */
+
+'use strict';
+
+var isObject = require('isobject');
+
+module.exports = function pick(obj, keys) {
+  if (!isObject(obj) && typeof obj !== 'function') {
+    return {};
+  }
+
+  var res = {};
+  if (typeof keys === 'string') {
+    if (keys in obj) {
+      res[keys] = obj[keys];
+    }
+    return res;
+  }
+
+  var len = keys.length;
+  var idx = -1;
+
+  while (++idx < len) {
+    var key = keys[idx];
+    if (key in obj) {
+      res[key] = obj[key];
+    }
+  }
+  return res;
+};