added whole system from ola4doc

sys/node_modules/uuid/lib/rng.js

@@ -0,0 +1,10 @@
+// Unique ID creation requires a high quality random # generator.  In node.js
+// this is pretty straight-forward - we use the crypto API.
+
+var rb = require('crypto').randomBytes;
+
+function rng() {
+  return rb(16);
+}
+
+module.exports = rng;