Changes with Apache 2.2.22

*) SECURITY: CVE-2011-3368 (cve.mitre.org)
Reject requests where the request-URI does not match the HTTP
specification, preventing unexpected expansion of target URLs in
some reverse proxy configurations. [Joe Orton]

*) SECURITY: CVE-2011-3607 (cve.mitre.org)
Fix integer overflow in ap_pregsub() which, when the mod_setenvif module
is enabled, could allow local users to gain privileges via a .htaccess
file. [Stefan Fritsch, Greg Ames]

*) SECURITY: CVE-2011-4317 (cve.mitre.org)
Resolve additional cases of URL rewriting with ProxyPassMatch or
RewriteRule, where particular request-URIs could result in undesired
backend network exposure in some configurations.
[Joe Orton]

*) SECURITY: CVE-2012-0021 (cve.mitre.org)
mod_log_config: Fix segfault (crash) when the '%{cookiename}C' log format
string is in use and a client sends a nameless, valueless cookie, causing
a denial of service. The issue existed since version 2.2.17. PR 52256.
[Rainer Canavan ]

*) SECURITY: CVE-2012-0031 (cve.mitre.org)
Fix scoreboard issue which could allow an unprivileged child process
could cause the parent to crash at shutdown rather than terminate
cleanly. [Joe Orton]

*) SECURITY: CVE-2012-0053 (cve.mitre.org)
Fix an issue in error responses that could expose "httpOnly" cookies
when no custom ErrorDocument is specified for status code 400.
[Eric Covener]

*) mod_proxy_ajp: Try to prevent a single long request from marking a worker
in error. [Jean-Frederic Clere]

*) config: Update the default mod_ssl configuration: Disable SSLv2, only
allow >= 128bit ciphers, add commented example for speed optimized cipher
list, limit MSIE workaround to MSIE <= 5. [Kaspar Brand]

*) core: Fix segfault in ap_send_interim_response(). PR 52315.
[Stefan Fritsch]

*) mod_log_config: Prevent segfault. PR 50861. [Torsten Fortsch
]

*) mod_win32: Invert logic for env var UTF-8 fixing.
Now we exclude a list of vars which we know for sure they dont hold UTF-8
chars; all other vars will be fixed. This has the benefit that now also
all vars from 3rd-party modules will be fixed. PR 13029 / 34985.
[Guenter Knauf]

*) core: Fix hook sorting for Perl modules, a regression introduced in
2.2.21. PR: 45076. [Torsten Foertsch ]

*) Fix a regression introduced by the CVE-2011-3192 byterange fix in 2.2.20:
A range of '0-' will now return 206 instead of 200. PR 51878.
[Jim Jagielski]

*) Example configuration: Fix entry for MaxRanges (use "unlimited" instead
of "0"). [Rainer Jung]

*) mod_substitute: Fix buffer overrun. [Ruediger Pluem, Rainer Jung]