Add flag to ipa-client-install to managed order of ipa_server in sssd
    
    The --fixed-primary flag determine the order of the ipa_server directive.
    When set the IPA server discovered (or passed in via --server or via
    user-input) will be listed first. Otherwise _srv_ is listed first.
    
    https://fedorahosted.org/freeipa/ticket/2282