added whole system from ola4doc

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

@@ -0,0 +1,10 @@
+'use strict';
+
+var assign = require('./assign')
+  , value  = require('./valid-value');
+
+module.exports = function (obj) {
+	var copy = Object(value(obj));
+	if (copy !== obj) return copy;
+	return assign({}, obj);
+};