Enumerate available options in IPA installer
Fix adds enumerated list of available options in IPA server
installer and IPA CA installer help options
Fixes https://fedorahosted.org/freeipa/ticket/5435
Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
Reviewed-By: Jan Cholasta <jcholast@redhat.com>