Add controller initialization logic.

lib/application.js

@@ -395,6 +395,17 @@ app.enableAuth = function(options) {
   this.isAuthEnabled = true;
 };
 
+app.controller = function(controllerCtor, options) {
+  var self = this;
+  SharedClass = RemoteObjects.SharedClass;
+
+  controllerCtor._sharedClass = new SharedClass(controllerCtor.name);
+  controllerCtor._sharedClass.resolve = function() {
+    return new controllerCtor(app, remotingContext);
+  };
+  app.remotes().addClass(controllerCtor._sharedClass);
+};
+
 app.boot = function(options) {
   throw new Error(
     '`app.boot` was removed, use the new module loopback-boot instead');