public ActionResult Register(UserFormModel form)
        {
            if (ModelState.IsValid)
            {
                var command = new UserRegisterCommand
                {
                    FirstName = form.FirstName,
                    LastName = form.LastName,
                    Email=form.Email,
                    Password = form.Password,
                    Activated = true,
                    RoleId = (Int32)UserRoles.User
                };
                IEnumerable<ValidationResult> errors = commandBus.Validate(command);
                ModelState.AddModelErrors(errors);
                if (ModelState.IsValid)
                {
                    var result = commandBus.Submit(command);
                    if (result.Success)
                    {
                        User user = userRepository.Get(u => u.Email == form.Email);
                        formAuthentication.SetAuthCookie(this.HttpContext,
                                                          UserAuthenticationTicketBuilder.CreateAuthenticationTicket(
                                                              user));
                        return RedirectToAction("Index", "Home");
                    }
                }
            }
            // If fail
            return View(form);
        }