lazy loading angularjs controllers with ui-router resolve

I'm trying to get to work angular.js, ui-router, and require.js and feel quite confused. I tried to follow this tutorial http://ify.io/lazy-loading-in-angularjs/. First, let me show you my code:

app.js =>

var app = angular.module('myApp', []);
app.config(function ($stateProvider, $controllerProvider, $compileProvider, $filterProvider, $provide) {
    $stateProvider.state('home',
        {
            templateUrl: 'tmpl/home-template.html',
            url: '/',
            controller: 'registration'
            resolve: {
                deps: function ($q, $rootScope) {
                    var deferred = $q.defer(),
                        dependencies = ["registration"];
                    require(dependencies, function () {
                        $rootScope.$apply(function () {
                            deferred.resolve();
                        });
                    })
                    return deferred.$promise;
                }
            }
        }
    );
    app.lazy = {
        controller: $controllerProvider.register,
        directive: $compileProvider.directive,
        filter: $filterProvider.register,
        factory: $provide.factory,
        service: $provide.service
    };
});

Now in my registration.js I have following code:

define(["app"], function (app) {
    app.lazy.controller("registration" , ["$scope", function ($scope) {
        // The code here never runs
        $scope.message = "hello world!";
    }]);
});

everything works well, even the code in registration.js is run. but the problem is code inside controller function is never run and I get the error Error: [ng:areq] http://errors.angularjs.org/1.2.23/ng/areq?p0=registration&p1=not a function, got undefined

Which seems my code does not register controller function successfully. Any Ideas?

P.s. In ui-router docs it is said "If any of these dependencies are promises, they will be resolved and converted to a value before the controller is instantiated and the $routeChangeSuccess event is fired." But if I put the deferred.resolve(); from mentioned code inside a timeOut and run it after say 5 seconds, my controller code is run and my view is rendered before resolve, Strange.