Initial mailscanner policy module and some depencies.
    
    MailScanner is an e-mail security and anti-spam package for e-mail
    gateway systems.
    
    Ported from Fedora with some small changes.
    
    Leave out some questionable bits and unsatisfied dependencies
    Create clamav_manage_pid_content()
    
    Signed-off-by: Dominick Grift <dominick.grift@gmail.com>