Added the underscore node_module.

node_modules/underscore/modules/values.js

@@ -0,0 +1,12 @@
+import keys from './keys.js';
+
+// Retrieve the values of an object's properties.
+export default function values(obj) {
+  var _keys = keys(obj);
+  var length = _keys.length;
+  var values = Array(length);
+  for (var i = 0; i < length; i++) {
+    values[i] = obj[_keys[i]];
+  }
+  return values;
+}