2.7.4
RESPONDER: Fix client ID tracking
negcache: do not use default_domain_suffix
ncache: Fix misleading function comment
negcache_files: got rid of large array on stack
responder/negcache: avoid calling nsswitch NSS API
responders: unify usage of sss_cmd_send_empty and _error
RESPONDER: few debug message corrections
pac: allow larger PACs
responder/common/responder_packet: further increase packet size for SSS_GSSAPI_SEC_CTX
IFP: Re-add the InfoPipe server
IFP: GetUserGroups() returns origPrimaryGroupGidNumber