Merge pull request #2399 from JosephSilber/auth-ajax-401

Auth should respond with a 401 to AJAX requests

app/filters.php

@@ -35,7 +35,12 @@ App::after(function($request, $response)
 
 Route::filter('auth', function()
 {
-	if (Auth::guest()) return Redirect::guest('login');
+	if (Auth::guest())
+	{
+		if (Request::ajax()) App::abort(401);
+
+		return Redirect::guest('login');
+	}
 });