pam_motd: fix memory leak. Resolves: #2014458

pam_keyinit: thread-safe implementation. Resolves: #1997969
pam_motd: support multiple motd paths specified, with filename overrides. Resolves: #2014458

pam_limits: "Unlimited" is not a valid value for RLIMIT_NOFILE. Resolves: #2047655

pam_userdb: Prevent garbage characters from db (#1791965)

Revert 1.3.1-12

pam_wheel: if getlogin fails fallback to PAM_RUSER: fixed malformed patch (#1866866)
pam_namespace: polyinstantiation refer to gdm doc (#1861841)

Add the motd.d directories (empty) to silence warnings and to

pam_usertype: fixed malformed patch

pam_modutil_sanitize_helper_fds: fix SIGPIPE effect of PAM_MODUTIL_PIPE_FD (#1791970)

pam_usertype: new module to tell if uid is in login.defs ranges (#1810474)
pam_tty_audit: if kernel audit is disabled return PAM_IGNORE (#1775357)

pam_motd: Document how to properly silence unwanted motd messages

pam_faillock: Fix regression in admin_group support

pam_faillock: Support configuration file /etc/security/faillock.conf
pam_faillock: Support local_users_only option
pam_namespace: Support noexec, nosuid and nodev flags for tmpfs mounts
Drop tallylog and pam_tally[2] documentation
pam_lastlog: Do not display failed attempts with PAM_SILENT flag
pam_lastlog: Support unlimited option to override fsize limit
pam_unix: Log if user authenticated without password
pam_tty_audit: Improve manual page
Optimize closing fds when spawning helpers
Fix duplicate password verification in pam_authtok_verify()

Drop pam_tally2 which was obsoleted and deprecated long time ago

add pam_umask to postlogin PAM configuration file
fix some issues found by Coverity scan

use /run instead of /var/run in pamtmp.conf (#1588612)