Added the underscore node_module.

node_modules/underscore/amd/random.js

@@ -0,0 +1,14 @@
+define(function () {
+
+  // Return a random integer between `min` and `max` (inclusive).
+  function random(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  }
+
+  return random;
+
+});