added whole system from ola4doc

sys/node_modules/es5-ext/object/is-empty.js

@@ -0,0 +1,14 @@
+'use strict';
+
+var value = require('./valid-value')
+
+  , propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
+
+module.exports = function (obj) {
+	var i;
+	value(obj);
+	for (i in obj) { //jslint: ignore
+		if (propertyIsEnumerable.call(obj, i)) return false;
+	}
+	return true;
+};