Added locale support for de_DE, thanks Tino

includes/locale.php

@@ -17,6 +17,9 @@
 if (empty($_SESSION['locale'])) {
   $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
   switch ($lang){
+    case "de":
+      $locale = "de_DE.UTF-8";
+      break;
     case "fr":
       $locale = "fr_FR.UTF-8";
       break;

includes/system.php

@@ -66,6 +66,7 @@ function DisplaySystem(){
   // define locales 
   $arrLocales = array(
     'en_GB.UTF-8' => 'English',
+    'de_DE.UTF-8' => 'Deutsche',
     'fr_FR.UTF-8' => 'Français',
     'it_IT.UTF-8' => 'Italiano',
     'pt_BR.UTF-8' => 'Português',