Translations:

- Add support for country variants (ticket #1133)
  - Refactor data in ConfigUIHelper
Config files: Allow empty values

apps/routerconsole/java/src/net/i2p/router/web/Messages.java

@@ -9,6 +9,8 @@ import net.i2p.util.Translate;
 public class Messages extends Translate {
     private static final String BUNDLE_NAME = "net.i2p.router.web.messages";
 
+    static final String COUNTRY_BUNDLE_NAME = "net.i2p.router.countries.messages";
+
     /** lang in routerconsole.lang property, else current locale */
     public static String getString(String key, I2PAppContext ctx) {
         return Translate.getString(key, ctx, BUNDLE_NAME);