bulk create users

Hi. I found the create_mail_user_SQL.sh script for creating users in the sql database. However, what about creating the underlying filesystem mailboxes ?

thanks.

==== Required information ====
- iRedMail version: 0.8.1
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): pgsql
- Linux/BSD distribution name and version: RHEL 6.4
====