ITS#7975 fix onelevel search
ITS#7976 fix delta-mmr/accesslog interaction
ITS#7977 Add PBKDF2 -SHA256 and -SHA512
ITS#7979 MozNSS fix for TLS_PROTOCOL_MIN

Fix NSS code to check for TLS_PROCOTOL_MIN, and then set the SSL
version range(min and max). Also updated SSL version string map
table to support up to TLSv1.3
ITS#7968: add locking into syncrepl.

Mutex must be held even for a read-access of a cookie state,
as there may be a race with write in other thread.