haproxy: add patches from upstream

haproxy: add patches from upstream

 - [PATCH 1/2] BUG/MEDIUM: stats: properly initialize the scope before
 - [PATCH 2/2] BUG/MEDIUM: http: don't forward client shutdown without
 - [PATCH 3/8] BUG/MINOR: check: fix tcpcheck error message
 - [PATCH 4/8] CLEANUP: checks: fix double usage of cur / current_step
 - [PATCH 5/8] BUG/MEDIUM: checks: do not dereference head of a
 - [PATCH 6/8] CLEANUP: checks: simplify the loop processing of
 - [PATCH 7/8] BUG/MAJOR: checks: always check for end of list before
 - [PATCH 8/8] BUG/MEDIUM: checks: do not dereference a list as a
 - [PATCH 09/10] BUG/MEDIUM: peers: apply a random reconnection timeout
 - [PATCH 10/10] DOC: Update doc about weight, act and bck fields in the
 - [PATCH 11/14] MINOR: ssl: add a destructor to free allocated SSL
 - [PATCH 12/14] BUG/MEDIUM: ssl: fix tune.ssl.default-dh-param value
 - [PATCH 13/14] BUG/MINOR: cfgparse: fix typo in 'option httplog' error
 - [PATCH 14/14] BUG/MEDIUM: cfgparse: segfault when userlist is misused

Signed-off-by: heil <heil@terminal-consulting.de>