Refactor old naming

conf/default.php

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * Options for the filetools plugin
+ * Options for the luxtools plugin
  */
 
 $conf['paths'] = '';
@@ -16,6 +16,6 @@ $conf['thumb_placeholder'] = ':wiki:thumb-placeholder.png';
 // Thumbnails are still displayed as 150x150 on the page.
 $conf['gallery_thumb_scale'] = 1;
 
-// Local opener service used by {{open>...}}.
+// Local client service used by {{open>...}}.
 $conf['open_service_url'] = 'http://127.0.0.1:8765';
 $conf['open_service_token'] = '';