Set English as base language with DE fallback

config.js

@@ -8,7 +8,7 @@ window.CONFIG = {
     debug: 1,
     theme: 'ash',
     units: 'metric',
-    language: 'de'
+    language: 'en'
 };
 
 // List of available themes. The key is the theme id (used in config.theme),