Adding language support - currently only English and German

system/htmly.php
- Loads language files from folder lang/
- Sets language settings for date and time format
system/includes/dispatch.php
- function i18n() returns translated strings

system/admin/views/delete-page.html.php

@@ -21,10 +21,10 @@ if (isset($destination)) {
     $back = site_url();
 }
 ?>
-<p>Are you sure want to delete <strong><?php echo $p->title; ?></strong>?</p>
+<p><?php echo sprintf(i18n('Are_you_sure_you_want_to_delete_'), $p->title);?></p>
 <form method="POST">
     <input type="hidden" name="file" value="<?php echo $p->file ?>"/><br>
     <input type="hidden" name="csrf_token" value="<?php echo get_csrf() ?>">
-    <input type="submit" name="submit" value="Delete"/>
-    <span><a href="<?php echo $back ?>">Cancel</a></span>
+    <input type="submit" name="submit" value="<?php echo i18n('Delete');?>"/>
+    <span><a href="<?php echo $back . '">' . i18n('Cancel');?></a></span>
 </form>