[FIX] problem with login form when using --no-database-list

lp bug: https://launchpad.net/bugs/1172488 fixed

bzr revid: nicolas.vanhoren@openerp.com-20130527141845-1xjmmp9tdukv6r2j

addons/auth_signup/static/src/js/auth_signup.js

@@ -7,7 +7,7 @@ openerp.auth_signup = function(instance) {
             var self = this;
             this.signup_enabled = false;
             this.reset_password_enabled = false;
-            return this._super().then(function() {
+            return this._super().always(function() {
 
                 // Switches the login box to the select mode whith mode == [default|signup|reset]
                 self.on('change:login_mode', self, function() {