Added the underscore node_module.

node_modules/underscore/amd/toPath.js

@@ -0,0 +1,12 @@
+define(['./underscore', './isArray'], function (underscore, isArray) {
+
+  // Normalize a (deep) property `path` to array.
+  // Like `_.iteratee`, this function can be customized.
+  function toPath(path) {
+    return isArray(path) ? path : [path];
+  }
+  underscore.toPath = toPath;
+
+  return toPath;
+
+});