[RELEASE] Released version 1.4.0

Released version 1.4.0 with the following main changes :
    - [MINOR] stats: report maint state for tracking servers too
    - [DOC] fix summary to add pattern extraction
    - [DOC] Documentation cleanups
    - [BUG] cfgparse memory leak and missing free calls in deinit()
    - [BUG] pxid/puid/luid: don't shift IDs when some of them are forced
    - [EXAMPLES] add auth.cfg
    - [BUG] uri_auth: ST_SHLGNDS should be 0x00000008 not 0x0000008
    - [BUG] uri_auth: do not attemp to convert uri_auth -> http-request more than once
    - [BUILD] auth: don't use unnamed unions
    - [BUG] config: report unresolvable host names as errors
    - [BUILD] fix build breakage with DEBUG_FULL
    - [DOC] fix a typo about timeout check and clarify the explanation.
    - [MEDIUM] http: don't use trash to realign large buffers
    - [STATS] report HTTP requests (total and rate) in frontends
    - [STATS] separate frontend and backend HTTP stats
    - [MEDIUM] http: revert to use a swap buffer for realignment
    - [MINOR] stats: report the request rate in frontends as cell titles
    - [MINOR] stats: mark areas with an underline when tooltips are available
    - [DOC] reorder some entries to maintain the alphabetical order
    - [DOC] cleanup of the keyword matrix
5 files changed