added whole system from ola4doc

sys/node_modules/es5-ext/object/assign/shim.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var keys  = require('../keys')
+  , value = require('../valid-value')
+
+  , max = Math.max;
+
+module.exports = function (dest, src/*, …srcn*/) {
+	var error, i, l = max(arguments.length, 2), assign;
+	dest = Object(value(dest));
+	assign = function (key) {
+		try { dest[key] = src[key]; } catch (e) {
+			if (!error) error = e;
+		}
+	};
+	for (i = 1; i < l; ++i) {
+		src = arguments[i];
+		keys(src).forEach(assign);
+	}
+	if (error !== undefined) throw error;
+	return dest;
+};