[RELEASE] Released version 1.6-dev6

Released version 1.6-dev6 with the following main changes :
    - BUG/MAJOR: can't enable a server through the stat socket
    - MINOR: server: Macro definition for server-state
    - MINOR: cli: new stats socket command: show servers state
    - DOC: stats socket command: show servers state
    - MINOR: config: new global directive server-state-base
    - DOC: global directive server-state-base
    - MINOR: config: new global section directive: server-state-file
    - DOC: new global directive: server-state-file
    - MINOR: config: new backend directives: load-server-state-from-file and server-state-file-name
    - DOC: load-server-state-from-file
    - MINOR: init: server state loaded from file
    - MINOR: server: startup slowstart task when using seamless reload of HAProxy
    - MINOR: cli: new stats socket command: show backend
    - DOC: servers state seamless reload example
    - BUG: dns: can't connect UDP socket on FreeBSD
    - MINOR: cfgparse: New function cfg_unregister_sections()
    - MINOR: chunk: New function free_trash_buffers()
    - BUG/MEDIUM: main: Freeing a bunch of static pointers
    - MINOR: proto_http: Externalisation of previously internal functions
    - MINOR: global: Few new struct fields for da module
    - MAJOR: da: Update of the DeviceAtlas API module
    - DOC: DeviceAtlas new keywords
    - DOC: README: DeviceAtlas sample configuration updates
    - MEDIUM: log: replace sendto() with sendmsg() in __send_log()
    - MEDIUM: log: use a separate buffer for the header and for the message
    - MEDIUM: logs: remove the hostname, tag and pid part from the logheader
    - MEDIUM: logs: add support for RFC5424 header format per logger
    - MEDIUM: logs: add a new RFC5424 log-format for the structured-data
    - DOC: mention support for the RFC5424 syslog message format
    - MEDIUM: logs: have global.log_send_hostname not contain the trailing space
    - MEDIUM: logs: pass the trailing "\n" as an iovec
    - BUG/MEDIUM: peers: some table updates are randomly not pushed.
    - BUG/MEDIUM: peers: same table updates re-pushed after a re-connect
    - BUG/MINOR: fct peer_prepare_ackmsg should not use trash.
    - MINOR: http: made CHECK_HTTP_MESSAGE_FIRST accessible to other functions
    - MINOR: global: Added new fields for 51Degrees device detection
    - DOC: Added more explanation for 51Degrees V3.2
    - BUILD: Changed 51Degrees option to support V3.2
    - MAJOR: 51d: Upgraded to support 51Degrees V3.2 and new features
    - MINOR: 51d: Improved string handling for LRU cache
    - DOC: add references to rise/fall for the fastinter explanation
    - MINOR: support cpu-map feature through the compile option USE_CPU_AFFINITY on FreeBSD
    - BUG/MAJOR: lua: potential unexpected aborts()
    - BUG/MINOR: lua: breaks the log message if his size exceed one buffer
    - MINOR: action: add private configuration
    - MINOR: action: add reference to the original keywork matched for the called parser.
    - MINOR: lua: change actions registration
    - MEDIUM: proto_http: smp_prefetch_http initialize txn
    - MINOR: channel: rename function chn_sess to chn_strm
    - CLEANUP: lua: align defines
    - MINOR: http: export http_get_path() function
    - MINOR: http: export the get_reason() function
    - MINOR: http: export function http_msg_analyzer()
    - MINOR: http: split initialization
    - MINOR: lua: reset pointer after use
    - MINOR: lua: identify userdata objects
    - MEDIUM: lua: use the function lua_rawset in place of lua_settable
    - BUG/MAJOR: lua: segfault after the channel data is modified by some Lua action.
    - CLEANUP: lua: use calloc in place of malloc
    - BUG/MEDIUM: lua: longjmp function must be unregistered
    - BUG/MEDIUM: lua: forces a garbage collection
    - BUG/MEDIUM: lua: wakeup task on bad conditions
    - MINOR: standard: avoid DNS resolution from the function str2sa_range()
    - MINOR: lua: extend socket address to support non-IP families
    - MINOR: lua/applet: the cosocket applet should use appctx_wakeup in place of task_wakeup
    - BUG/MEDIUM: lua: socket destroy before reading pending data
    - MEDIUM: lua: change the GC policy
    - OPTIM/MEDIUM: lua: executes the garbage collector only when using cosocket
    - BUG/MEDIUM: lua: don't reset undesired flags in hlua_ctx_resume
    - MINOR: applet: add init function
    - MINOR: applet: add an execution timeout
    - MINOR: stream/applet: add use-service action
    - MINOR: lua: add AppletTCP class and service
    - MINOR: lua: add AppletHTTP class and service
    - DOC: lua: some documentation update
    - DOC: add the documentation about internal circular lists
    - DOC: add a CONTRIBUTING file
    - DOC: add a MAINTAINERS file
    - BUG/MAJOR: peers: fix a crash when stopping peers on unbound processes
    - DOC: update coding-style to reference checkpatch.pl
    - BUG/MEDIUM: stick-tables: fix double-decrement of tracked entries
    - BUG/MINOR: args: add name for ARGT_VAR
    - DOC: add more entries to MAINTAINERS
    - DOC: add more entries to MAINTAINERS
    - CLEANUP: stream-int: remove obsolete function si_applet_call()
    - BUG/MAJOR: cli: do not dereference strm_li()->proto->name
    - BUG/MEDIUM: http: do not dereference strm_li(stream)
    - BUG/MEDIUM: proxy: do not dereference strm_li(stream)
    - BUG/MEDIUM: stream: do not dereference strm_li(stream)
    - MINOR: stream-int: use si_release_endpoint() to close idle conns
    - BUG/MEDIUM: payload: make req.payload and payload_lv aware of dynamic buffers
    - BUG/MEDIUM: acl: always accept match "found"
    - MINOR: applet: rename applet_runq to applet_active_queue
    - BUG/MAJOR: applet: use a separate run queue to maintain list integrity
    - MEDIUM: stream-int: split stream_int_update_conn() into si- and conn-specific parts
    - MINOR: stream-int: implement a new stream_int_update() function
    - MEDIUM: stream-int: factor out the stream update functions
    - MEDIUM: stream-int: call stream_int_update() from si_update()
    - MINOR: stream-int: export stream_int_update_*
    - MINOR: stream-int: move the applet_pause call out of the stream updates
    - MEDIUM: stream-int: clean up the conditions to enable reading in si_conn_wake_cb
    - MINOR: stream-int: implement the stream_int_notify() function
    - MEDIUM: stream-int: use the same stream notification function for applets and conns
    - MEDIUM: stream-int: completely remove stream_int_update_embedded()
    - MINOR: stream-int: rename si_applet_done() to si_applet_wake_cb()
    - BUG/MEDIUM: applet: fix reporting of broken write situation
    - BUG/MINOR: stats: do not call cli_release_handler 3 times
    - BUG/MEDIUM: cli: properly handle closed output
    - MINOR: cli: do not call the release handler on internal error.
    - BUG/MEDIUM: stream-int: avoid double-call to applet->release
    - DEBUG: add p_malloc() to return a poisonned memory area
    - CLEANUP: lua: remove unneeded memset(0) after calloc()
    - MINOR: lua: use the proper applet wakeup mechanism
    - BUG/MEDIUM: lua: better fix for the protocol check
    - BUG/MEDIUM: lua: properly set the target on the connection
    - MEDIUM: actions: pass a new "flags" argument to custom actions
    - MEDIUM: actions: add new flag ACT_FLAG_FINAL to notify about last call
    - MEDIUM: http: pass ACT_FLAG_FINAL to custom actions
    - MEDIUM: lua: only allow actions to yield if not in a final call
    - DOC: clarify how to make use of abstract sockets in socat
    - CLEANUP: config: make the errorloc/errorfile messages less confusing
    - MEDIUM: action: add a new flag ACT_FLAG_FIRST
    - BUG/MINOR: config: check that tune.bufsize is always positive
    - MEDIUM: config: set tune.maxrewrite to 1024 by default
    - DOC: add David Carlier as maintainer of da.c
    - DOC: fix some broken unexpected unicode chars in the Lua doc.
    - BUG/MEDIUM: proxy: ignore stopped peers
    - BUG/MEDIUM: proxy: do not wake stopped proxies' tasks during soft_stop()
    - MEDIUM: init: completely deallocate unused peers
    - BUG/MEDIUM: tcp: fix inverted condition to call custom actions
    - DOC: remove outdated actions lists on tcp-request/response
    - MEDIUM: tcp: add new tcp action "silent-drop"
    - DOC: add URLs to optional libraries in the README
6 files changed