added whole system from ola4doc

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

@@ -0,0 +1,8 @@
+'use strict';
+
+var findKey = require('./find-key');
+
+module.exports = function (obj, cb/*, thisArg, compareFn*/) {
+	var key = findKey.apply(this, arguments);
+	return (key == null) ? key : obj[key];
+};