Master password for user boards

[kaguy4]

A master password that can delete files off all user boards for the site owner, separate than board owner's password. Defined on (preferably) globalconf.php or templates/config.php

[chen-chan1]

already done. tho it can be changed back to admin. superadmin shouldn't be used any where else https://github.com/Heyuri/Uploader/blob/nashiFork/config.php#L16 https://github.com/Heyuri/Uploader/blob/nashiFork/base.php#L795