- When using ldap if auto.master doesn't exist we now check for
        auto_master. Addresses bz #130079
    - When using an auto.smb map we now remove the leading ':' from the path
        which caused mount to fail in the past. Addresses bz #147492
    - Autofs now checks /etc/nsswitch.conf to determine in what order files &
        nis are checked when looking up autofs submount maps which don't
        specify a maptype. Addresses IT #57612.