Log Message:
Updated nginx-devel to version 1.7.4

Changes with nginx 1.7.4                                         05 Aug 2014

    *) Security: pipelined commands were not discarded after STARTTLS
       command in SMTP proxy (CVE-2014-3556); the bug had appeared in 1.5.6.
       Thanks to Chris Boulton.

    *) Change: URI escaping now uses uppercase hexadecimal digits.
       Thanks to Piotr Sikora.

    *) Feature: now nginx can be build with BoringSSL and LibreSSL.
       Thanks to Piotr Sikora.

    *) Bugfix: requests might hang if resolver was used and a DNS server
       returned a malformed response; the bug had appeared in 1.5.8.

    *) Bugfix: in the ngx_http_spdy_module.
       Thanks to Piotr Sikora.

    *) Bugfix: the $uri variable might contain garbage when returning errors
       with code 400.
       Thanks to Sergey Bobrov.

    *) Bugfix: in error handling in the "proxy_store" directive and the
       ngx_http_dav_module.
       Thanks to Feng Gu.

    *) Bugfix: a segmentation fault might occur if logging of errors to
       syslog was used; the bug had appeared in 1.7.1.

    *) Bugfix: the $geoip_latitude, $geoip_longitude, $geoip_dma_code, and
       $geoip_area_code variables might not work.
       Thanks to Yichun Zhang.

    *) Bugfix: in memory allocation error handling.
       Thanks to Tatsuhiko Kubo and Piotr Sikora.

Changes with nginx 1.7.3                                         08 Jul 2014

    *) Feature: weak entity tags are now preserved on response
       modifications, and strong ones are changed to weak.

    *) Feature: cache revalidation now uses If-None-Match header if
       possible.

    *) Feature: the "ssl_password_file" directive.

    *) Bugfix: the If-None-Match request header line was ignored if there
       was no Last-Modified header in a response returned from cache.

    *) Bugfix: "peer closed connection in SSL handshake" messages were
       logged at "info" level instead of "error" while \ 
connecting to
       backends.

    *) Bugfix: in the ngx_http_dav_module module in nginx/Windows.

    *) Bugfix: SPDY connections might be closed prematurely if caching was
       used.

Changes with nginx 1.7.2                                         17 Jun 2014

    *) Feature: the "hash" directive inside the "upstream" block.

    *) Feature: defragmentation of free shared memory blocks.
       Thanks to Wandenberg Peixoto and Yichun Zhang.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       default value of the "access_log" directive was used; the bug had
       appeared in 1.7.0.
       Thanks to Piotr Sikora.

    *) Bugfix: trailing slash was mistakenly removed from the last parameter
       of the "try_files" directive.

    *) Bugfix: nginx could not be built on OS X in some cases.

    *) Bugfix: in the ngx_http_spdy_module.

Changes with nginx 1.7.1                                         27 May 2014

    *) Feature: the "$upstream_cookie_..." variables.

    *) Feature: the $ssl_client_fingerprint variable.

    *) Feature: the "error_log" and "access_log" directives \ 
now support
       logging to syslog.

    *) Feature: the mail proxy now logs client port on connect.

    *) Bugfix: memory leak if the "ssl_stapling" directive was used.
       Thanks to Filipe da Silva.

    *) Bugfix: the "alias" directive used inside a location given by a
       regular expression worked incorrectly if the "if" or \ 
"limit_except"
       directives were used.

    *) Bugfix: the "charset" directive did not set a charset to encoded
       backend responses.

    *) Bugfix: a "proxy_pass" directive without URI part might use original
       request after the $args variable was set.
       Thanks to Yichun Zhang.

    *) Bugfix: in the "none" parameter in the "smtp_auth" \ 
directive; the bug
       had appeared in 1.5.6.
       Thanks to Svyatoslav Nikolsky.

    *) Bugfix: if sub_filter and SSI were used together, then responses
       might be transferred incorrectly.

    *) Bugfix: nginx could not be built with the --with-file-aio option on
       Linux/aarch64.

Changes with nginx 1.7.0                                         24 Apr 2014

    *) Feature: backend SSL certificate verification.

    *) Feature: support for SNI while working with SSL backends.

    *) Feature: the $ssl_server_name variable.

    *) Feature: the "if" parameter of the "access_log" directive.

Changes with nginx 1.5.13                                        08 Apr 2014

    *) Change: improved hash table handling; the default values of the
       "variables_hash_max_size" and \ 
"types_hash_bucket_size" were changed
       to 1024 and 64 respectively.

    *) Feature: the ngx_http_mp4_module now supports the "end" argument.

    *) Feature: byte ranges support in the ngx_http_mp4_module and while
       saving responses to cache.

    *) Bugfix: alerts "ngx_slab_alloc() failed: no memory" no longer logged
       when using shared memory in the "ssl_session_cache" directive and in
       the ngx_http_limit_req_module.

    *) Bugfix: the "underscores_in_headers" directive did not allow
       underscore as a first character of a header.
       Thanks to Piotr Sikora.

    *) Bugfix: cache manager might hog CPU on exit in nginx/Windows.

    *) Bugfix: nginx/Windows terminated abnormally if the
       "ssl_session_cache" directive was used with the \ 
"shared" parameter.

    *) Bugfix: in the ngx_http_spdy_module.