- Update to version 1.6.9+git.1477940904.ab45181 (fate#321723)
* BUILD: poll: remove unused hap_fd_isset() which causes a warning with clang
* MINOR: cfgparse: few memory leaks fixes.
* MINOR: build: Allow linking to device-atlas library file
* DOC: Fix typo in description of `-st` parameter in man page
* BUG/MEDIUM: peers: on shutdown, wake up the appctx, not the stream
* BUG/MEDIUM: peers: fix use after free in peer_session_create()
* BUG/MEDIUM: systemd: let the wrapper know that haproxy has completed or failed
* MINOR: systemd: report it when execve() fails
* BUG/MINOR: systemd: check return value of calloc()
* BUG/MINOR: systemd: always restore signals before execve()
* BUG/MINOR: systemd: make the wrapper return a non-null status code on error
* BUG/MINOR: ssl: prevent multiple entries for the same certificate
* BUG/MINOR: ssl: Check malloc return code
* BUG/MINOR: vars: smp_fetch_var() doesn't depend on HTTP but on the session
* BUG/MINOR: vars: make smp_fetch_var() more robust against misuses
* BUG/MINOR: vars: use sess and not s->sess in action_store()
* MEDIUM: make SO_REUSEPORT configurable
* MINOR: Add fe_req_rate sample fetch
* MINOR: show Running on zlib version
* MINOR: show Built with PCRE version
* BUG/MINOR: displayed PCRE version is running release