Update all the samples.

(except clojure + scalatra, because those are broken, will fixed with later master merge.)

samples/client/petstore/javascript-closure-angular/API/Client/User.js

@@ -1,6 +1,7 @@
 goog.provide('API.Client.User');
 
 /**
+ * A User who is purchasing from the pet store
  * @record
  */
 API.Client.User = function() {}