Changes with nginx 1.1.14 30 Jan 2012
*) Feature: multiple "limit_req" limits may be used simultaneously.
*) Bugfix: in error handling while connecting to a backend. Thanks to Piotr Sikora.
*) Bugfix: in AIO error handling on FreeBSD.
*) Bugfix: in the OpenSSL library initialization.
*) Bugfix: the "proxy_redirect" directives might not be correctly inherited.
*) Bugfix: memory leak during reconfiguration if the "pcre_jit" directive was used.