use rfc2606 compliant domains in sample config

config/app_config.yml.SAMPLE

@@ -22,11 +22,11 @@ default: &defaults
     zip_code: "10997"
     city: Berlin
     country: Deutschland
-    email: foodsoft@myfoodcoop.org
+    email: foodsoft@foodcoop.test
     phone: "030 323 23249"
 
   # Homepage
-  homepage: http://www.fctest.de
+  homepage: http://www.foodcoop.test
 
   # foodsoft documentation URL
   help_url: https://github.com/bennibu/foodsoft/wiki/Doku
@@ -46,17 +46,17 @@ default: &defaults
   # stop_ordering_under: 75
 
   # email address to be used as sender
-  email_sender: foodsoft@myfoodcoop.org
+  email_sender: foodsoft@foodcoop.test
 
   # If your foodcoop uses a mailing list instead of internal messaging system
-  #mailing_list: list@myfoodcoop.org
-  #mailing_list_subscribe: list-subscribe@myfoodcoop.org
+  #mailing_list: list@example.org
+  #mailing_list_subscribe: list-subscribe@example.org
 
   # Config for the exception_notification plugin
   notification:
     error_recipients:
-      - admin@myfoodcoop.org
-    sender_address: "\"FoodSoft Error\" <foodsoft@myfoodcoop.org>"
+      - admin@foodcoop.test
+    sender_address: "\"FoodSoft Error\" <foodsoft@foodcoop.test>"
     email_prefix: "[FoodSoft]"
 
   # Access to sharedLists, the external article-database