smb.conf: removed deprecated idmap parmeters. Refs #1746
krb5.conf: implemented new template interface. Refs #1746
nsswitch.conf: add winbind as NSS module, when role is ADS. Refs #1746
smb.conf: ADS role implementation
/etc/pam.d/system-auth-nh: use new template format for ADS setup. Refs #1746