Changes with nginx 1.0.6 29 Aug 2011

*) Feature: cache loader run time decrease.

*) Feature: loading time decrease of configuration with large number of
HTTPS sites.

*) Feature: now nginx supports ECDHE key exchange ciphers.
Thanks to Adrian Kotelba.

*) Feature: the "lingering_close" directive.

*) Feature: now shared zones and caches use POSIX semaphores on Solaris.
Thanks to Den Ivanov.

*) Bugfix: nginx could not be built on Linux 3.0.

*) Bugfix: a segmentation fault might occur in a worker process if
"fastcgi/scgi/uwsgi_param" directives were used with values starting
with "HTTP_"; the bug had appeared in 0.8.40.

*) Bugfix: in closing connection for pipelined requests.

*) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in
"Accept-Encoding" request header line.

*) Bugfix: in timeout in unbuffered proxied mode.

*) Bugfix: memory leaks when a "proxy_pass" directive contains variables
and proxies to an HTTPS backend.

*) Bugfix: in parameter validaiton of a "proxy_pass" directive with
variables.
Thanks to Lanshun Zhou.

*) Bugfix: SSL did not work on QNX.

*) Bugfix: SSL modules could not be built by gcc 4.6 without
--with-debug option.