Configure ssh and sshd during ipa-client-install.
For ssh, VerifyHostKeyDNS option is set to 'yes' if --ssh-trust-dns
ipa-client-install option is used.
For sshd, KerberosAuthentication, GSSAPIAuthentication and UsePAM
options are enabled (this can be disabled using --no-sshd
ipa-client-install option).
ticket 1634