[CentOS-docs] New release of the Newsletter

Hi Didi.

> The ACL policy should be that:
> Before release only members of the NewsletterGroup and Admins can view
> and edit. But this is for all versions, the ACLs are in the template
>
> #acl AdminGroup,NewsletterGroup:admin,read,write,revert,delete All:
>
> Is this syntax correct for this purpose?

The permissions have already been set correctly (as above) and the
syntax is fine.

Best Regards
Marcus