Log Message:
Update to 1.5.12. Fixes a pile of bugs. From CHANGELOG:

2015/05/02 : 1.5.12
    - BUG/MINOR: ssl: Display correct filename in error message
    - DOC: Fix L4TOUT typo in documentation
    - BUG/MEDIUM: Do not consider an agent check as failed on L7 error
    - BUG/MINOR: pattern: error message missing
    - BUG/MEDIUM: pattern: some entries are not deleted with case insensitive match
    - BUG/MEDIUM: buffer: one byte miss in buffer free space check
    - BUG/MAJOR: http: don't read past buffer's end in http_replace_value
    - BUG/MEDIUM: http: the function "(req|res)-replace-value" doesn't \ 
respect the HTTP syntax
    - BUG/MEDIUM: peers: correctly configure the client timeout
    - BUG/MINOR: compression: consider the expansion factor in init
    - BUG/MEDIUM: http: hdr_cnt would not count any header when called without name
    - BUG/MEDIUM: listener: don't report an error when resuming unbound listeners
    - BUG/MEDIUM: init: don't limit cpu-map to the first 32 processes only
    - BUG/MEDIUM: stream-int: always reset si->ops when si->end is nullified
    - BUG/MEDIUM: http: remove content-length from chunked messages
    - DOC: http: update the comments about the rules for determining transfer-length
    - BUG/MEDIUM: http: do not restrict parsing of transfer-encoding to HTTP/1.1
    - BUG/MEDIUM: http: incorrect transfer-coding in the request is a bad request
    - BUG/MEDIUM: http: remove content-length form responses with bad \ 
transfer-encoding
    - MEDIUM: http: restrict the HTTP version token to 1 digit as per RFC7230
    - MEDIUM: http: add option-ignore-probes to get rid of the floods of 408
    - BUG/MINOR: config: clear proxy->table.peers.p for disabled proxies
    - MINOR: stick-table: don't attach to peers in stopped state
    - MEDIUM: config: initialize stick-tables after peers, not before
    - MEDIUM: peers: add the ability to disable a peers section
    - DOC: document option http-ignore-probes
    - DOC: fix the comments about the meaning of msg->sol in HTTP
    - BUG/MEDIUM: http: wait for the exact amount of body bytes in \ 
wait_for_request_body
    - BUG/MAJOR: http: prevent risk of reading past end with balance url_param
    - DOC: update the doc on the proxy protocol