[RELEASE] Released version 1.3.14.2

[RELEASE] Released version 1.3.14.2

Released version 1.3.14.2 with the following main changes :
    - bug: increment server connections for each connect()
    - bug: fix typo in redispatched connection
    - bug: connect_server: server might not exist when sending error report
    - bug: use backend's source and not server's source with tproxy
    - bug: fix overlapping server flags
    - bug: log response byte count, not request
    - bug: fix truncated responses with sepoll
    - large update to the configuration manual
    - major rework of the GNU Makefile
    - provide inversion for some options
    - add support for "show info" on the unix socket
    - add support for the "backlog" parameter
    - introduce global parameter "tune.maxaccept"
    - introduce "timeout http-request" in frontends
    - tarpit timeout is also allowed in backends
    - code did not build in full debug mode
    - fix configuration hint about timeouts