added whole system from ola4doc

sys/node_modules/es5-ext/object/flatten.js

@@ -0,0 +1,17 @@
+'use strict';
+
+var isPlainObject = require('./is-plain-object')
+  , forEach       = require('./for-each')
+
+  , process;
+
+process = function self(value, key) {
+	if (isPlainObject(value)) forEach(value, self, this);
+	else this[key] = value;
+};
+
+module.exports = function (obj) {
+	var flattened = {};
+	forEach(obj, process, flattened);
+	return flattened;
+};