modify dispaly addresses

lib/pages/payment_editor.dart

@@ -56,8 +56,13 @@ class _PaymentMethodEditorState extends State<PaymentMethodEditor> {
       child: Scaffold(
           backgroundColor: Colors.white,
           appBar: AppBar(
+            centerTitle: true,
+            leading: new IconButton(
+              icon: new Icon(Icons.close),
+              onPressed: () => Navigator.of(context).pop(),
+            ),
             title: Text(
-              AppTranslations.of(context).text("payment.method.new"),
+              AppTranslations.of(context).text("payment.method.form"),
             ),
             backgroundColor: primaryColor,
             actions: <Widget>[],
@@ -79,8 +84,7 @@ class _PaymentMethodEditorState extends State<PaymentMethodEditor> {
                       //     controller: _mailController),
                       // fcsInput('Phone', Icons.phone,
                       //     controller: _phoneController),
-                      fcsInput('Phone', Icons.link,
-                          controller: _linkController)
+                      fcsInput('Phone', Icons.link, controller: _linkController)
                     ],
                   ),
                 ),