added wpmu-new-blog-defaults plugin (it has been abandoned)

README.md

@@ -12,5 +12,6 @@ Different must-use plugins for Wordpress we use on noblogs.org
   - mixcloud.com
 * ```send-smtp-email.php```: sends mail via SMTP server instead than using PHP ```mail()```
 * ```remove-password-change-notification.php```: do not send emails to Admins when users change passwords
+* ```blog_defaults.php```: copy of [wpmu-new-blog-defaults](https://github.com/WPPlugins/wpmu-new-blog-defaults), an abandoned plugin we still use
 
 Ideally, these should each be individually packaged and put in an indepedent repo. In practice we won’t bother for the time being.