Log Message:
Update wbm-cyrus-imapd to 1.5.

* Version 1.5   2007-03-08
    - Tree structure of mailboxes has been totally rewritten
        based on Perl module Tree::Simple from CPAN
        (thanks to Murray Trainer <mtrainer@central-data.net>)
    - added a check for mailbox permissions to 'reconstruct' command

* Version 1.4.5   2006-11-28
    - fixed a bug when changing quota on mailboxes with similar names
        (thanks to Murray Trainer <mtrainer@central-data.net>)

* Version 1.4.4   2006-11-3
    - requires Webmin 1.240 for using 'ui_bytesbox' function in ui-lib.pl