Update from 0.7.58 to 0.7.59.

<ChangeLog>

*) Feature: the "proxy_cache_methods" and "fastcgi_cache_methods"

directives.

*) Bugfix: socket leak; the bug had appeared in 0.7.25.

Thanks to Maxim Dounin.

*) Bugfix: a segmentation fault occurred in worker process,

if a request had no body and the $request_body variable was used;
the bug had appeared in 0.7.58.

*) Bugfix: the SSL modules might not built on Solaris and Linux;

the bug had appeared in 0.7.58.

*) Bugfix: ngx_http_xslt_filter_module responses were not handled by

SSI, charset, and gzip filters.

*) Bugfix: a "charset" directive did not set a charset to

ngx_http_gzip_static_module responses.

</ChangeLog>