Changes since version 2.3-dev7 :

Christopher Faulet (3):
      BUG/MEDIUM: connection: Never cleanup server lists when freeing private conns
      BUG/MINOR: http-ana: Don't send payload for internal responses to HEAD requests
      BUG/MAJOR: mux-h2: Don't try to send data if we know it is no longer possible

Ilya Shipitsin (2):
      BUG/MINOR: disable dynamic OCSP load with BoringSSL
      BUILD: ssl: make BoringSSL use its own version numbers

Remi Tricot-Le Breton (4):
      MINOR: http: Add etag comparison function
      MEDIUM: cache: Store the ETag information in the cache_entry
      MEDIUM: cache: Add support for 'If-None-Match' request header
      REGTEST: cache: Add if-none-match test case

Tim Duesterhus (2):
      MINOR: http: Add `enum etag_type http_get_etag_type(const struct ist)`
      CLEANUP: compression: Make use of http_get_etag_type()

William Dauchy (1):
      BUG/MINOR: listener: close before free in `listener_accept`

William Lallemand (1):
      MINOR: ssl: 'ssl-load-extra-del-ext' removes the certificate extension

Willy Tarreau (27):
      MINOR: backend: replace the lbprm lock with an rwlock
      MINOR: lb/map: use seek lock and read locks where appropriate
      MINOR: lb/leastconn: only take a read lock in fwlc_get_next_server()
      MINOR: lb/first: use a read lock in fas_get_next_server()
      MINOR: lb/chash: use a read lock in chash_get_server_hash()
      CLEANUP: threads: don't register an initcall when not debugging
      MINOR: threads: change lock_t to an unsigned int
      CLEANUP: tree-wide: reorder a few structures to plug some holes around locks
      CLEANUP: task: remove the unused and mishandled global_rqueue_size
      MEDIUM: config: report that "nbproc" is deprecated
      BUG/MINOR: queue: properly report redistributed connections
      CONTRIB: tcploop: remove unused local variables in tcp_pause()
      BUILD: makefile: add entries to build common debugging tools
      BUG/MEDIUM: server: support changing the slowstart value from state-file
      MINOR: threads/debug: only report used lock stats
      MINOR: threads/debug: only report lock stats for used operations
      MINOR: proxy; replace the spinlock with an rwlock
      MINOR: server: read-lock the cookie during srv_set_dyncookie()
      MINOR: proxy/cli: only take a read lock in "show errors"
      OPTIM: queue: don't call pendconn_unlink() when the pendconn is not queued
      MINOR: queue: split __pendconn_unlink() in per-srv and per-prx
      MINOR: queue: reduce the locked area in pendconn_add()
      OPTIM: queue: make the nbpend counters atomic
      OPTIM: queue: decrement the nbpend and totpend counters outside of the lock
      MINOR: leastconn: take the queue length into account when queuing servers
      MEDIUM: fwlc: re-enable per-server queuing up to maxqueue
      Revert "OPTIM: queue: don't call pendconn_unlink() when the pendconn is not queued"