Add china S3 regions

src/js/restore.js

@@ -69,6 +69,8 @@ app.controller('RestoreController', ['$scope', 'Client', function ($scope, Clien
         { name: 'Asia Pacific (Sydney)', value: 'ap-southeast-2' },
         { name: 'Asia Pacific (Tokyo)', value: 'ap-northeast-1' },
         { name: 'Canada (Central)', value: 'ca-central-1' },
+        { name: 'China (Beijing)', value: 'cn-north-1' },
+        { name: 'China (Ningxia)', value: 'cn-northwest-1' },
         { name: 'EU (Frankfurt)', value: 'eu-central-1' },
         { name: 'EU (Ireland)', value: 'eu-west-1' },
         { name: 'EU (London)', value: 'eu-west-2' },