Resolves: upstream#3766 - CVE-2018-10852: information leak from the sssd-sudo responder
    
    And also ...
    
    - Related: upstream#941 - return multiple server addresses to the Kerberos
                              locator plugin
    - Related: upstream#3652 - kdcinfo doesn't get populated for other domains
    - Resolves: upstream#3747 - sss_ssh_authorizedkeys exits abruptly if SSHD
                                closes its end of the pipe before reading all the
                                SSH keys
    - Resolves: upstream#3607 - Handle conflicting e-mail addresses more gracefully
    - Resolves: upstream#3754 - SSSD AD uses LDAP filter to detect POSIX attributes
                                stored in AD GC also for regular AD DC queries
    - Related: upstream#3219 - [RFE] Regular expression used in sssd.conf not being
                               able to consume an @-sign in the user/group name.
    
    Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
    (cherry picked from commit 68ef824a5fc441c038a6791b7ef39941357a548b)
    (cherry picked from commit f311832a06a201ae94d57d80b9e1e84231208cd7)