SERVER-14135 implement getCurrentMemberState() in LegacyReplicationCoordinator
SERVER-14135 implement canAcceptWritesForDatabase() in LegacyReplicationCoordinator
SERVER-14135 implement shouldIgnoreUniqueIndex() in LegacyReplicationCoordinator
SERVER-14135 implement startReplication() in LegacyReplicationCoordinator
SERVER-13645 rename repl_start to repl_set_seed_list
SERVER-12748 Tests for invalid transitions of clusterAuthMode without outgoing SSL
SERVER-14170 Do not invoke the RunCommandHook when executing authentication commands.

Executing this hook leads to commands that cannot be run by unauthenticated users,
which prevents authentication of connections when auditing is enabled.
SERVER-13922 Remove dbtemprelease
SERVER-13797 Remove Client::getContext and related