Fixed non-object reference in databaseless template, added locking for Javascript paginator, made comments on AES key size more clear in constants, and disallowed "anonymous" and IP addresses for admin username in install.php; Loch Ness release candidate

<?php

class Text_Wiki_Render_Plain_Heading extends Text_Wiki_Render {
    
    function token($options)
    {
        if ($options['type'] == 'end') {
            return "\n\n";
        } else {
            return "\n";
        }
    }
}
?>