Curl and libcurl 7.28.0

 Public curl releases:         129
 Command line options:         152
 curl_easy_setopt() options:   199
 Public functions in libcurl:  58
 Known libcurl bindings:       39
 Contributors:                 953

This release includes the following changes:

 o SSH: added agent based authentication
 o ftp: active conn, allow application to set sockopt after accept() call
   with CURLSOCKTYPE_ACCEPT
 o multi: add curl_multi_wait() [12]
 o metalink: Added support for Microsoft Windows CryptoAPI
 o md5: Added support for Microsoft Windows CryptoAPI
 o parse_proxy: treat "socks://x" as a socks4 proxy [17]
 o socks: Added support for IPv6 connections through SOCKSv5 proxy

This release includes the following bugfixes:

 o WSAPoll disabled on Windows builds due to its bugs [8]
 o segfault on request retries [1]
 o curl-config: parentheses fix [2]
 o VC build: add define for openssl [3]
 o globbing: fix segfault when >9 globs were used [4]
 o fixed a few clang-analyzer warnings
 o metalink: change code order to build with gnutls-nettle [5]
 o gtls: fix build failure by including nettle-specific headers [5]
 o change preferred HTTP auth on a handle previously used for another auth [9]
 o file: use fdopen() to avoid race condition [6]
 o Added DWANT_IDN_PROTOTYPES define for MSVC too [7]
 o verbose: fixed (nil) output of hostnames in re-used connections [10]
 o metalink: Un-broke the build when building --with-darwinssl
 o curl man page cleanup
 o Avoid leak of local device string when reusing connection
 o Curl_socket_check: fix return code for timeout [11]
 o nss: do not print misleading NSS error codes
 o configure: remove the --enable/disable-nonblocking options
 o darwinssl: add TLS 1.1 and 1.2 support, replace deprecated functions
 o NTLM: re-use existing connection better
 o schannel crash on multi and easy handle cleanup
 o SOCKS: truly disable it if CURL_DISABLE_PROXY is defined [13]
 o mk-ca-bundle: detect start of trust section better [14]
 o gnutls: do not fail on non-fatal handshake errors [15]
 o SMTP: only send SIZE if supported [16]
 o ftpserver: respond with a 250 to SMTP EHLO
 o ssh: do not crash if MD5 fingerprint is not provided by libssh2
 o winbuild: Added support for building with SPNEGO enabled
 o metalink: Fixed validation of binary files containing EOF
 o setup.h: fixed for MS VC10 build [18]
 o cmake: use standard findxxx modules for cmake v2.8+
 o HTTP_ONLY: disable more protocols [19]
 o Curl_reconnect_request: clear pointer on failure [20]
 o https.c example: remember to call curl_global_init()
 o metalink: Filter resource URLs by type
 o multi interface: CURLOPT_LOW_SPEED_* fix during rate limitation [21]
 o curl_schannel: Removed buffer limit and optimized buffer strategy

This release includes the following known bugs:

 o see docs/KNOWN_BUGS (http://curl.haxx.se/docs/knownbugs.html)

This release would not have looked like this without help, code, reports and
advice from friends like these:

 Guenter Knauf, Joe Mason, Kamil Dudka, Steve Holme, Anthony G. Basile,
 Edward Sheldrake, Jan Koen Annot, Maxime Larocque, Mike Crowe, Anthony Bryan,
 Nick Zitzmann, Gisle Vanem, Armel Asselin, Dan Fandrich, Dave Reisner,
 Gokhan Sengun, Sara Golemon, Olivier Berger, Marc Hoersken, David Blaikie,
 Alessandro Ghedini, František Kučera, Marcel Raad, Scott Bailey, Ho-chi Chen,
 Tomas Mlcoch, Jie He, Tatsuhiro Tsujikawa, Sergei Nikulov, Mark Tully

        Thanks! (and sorry if I forgot to mention someone)

References to bug reports and discussions on issues:

 [1] = http://curl.haxx.se/bug/view.cgi?id=3544688
 [2] = http://curl.haxx.se/bug/view.cgi?id=3551460
 [3] = http://curl.haxx.se/bug/view.cgi?id=3552997
 [4] = http://curl.haxx.se/bug/view.cgi?id=3546353
 [5] = http://curl.haxx.se/bug/view.cgi?id=3554668
 [6] = https://bugzilla.redhat.com/844385
 [7] = http://curl.haxx.se/mail/lib-2012-07/0271.html
 [8] = http://curl.haxx.se/mail/lib-2012-07/0310.html
 [9] = http://curl.haxx.se/bug/view.cgi?id=3545398
 [10] = http://curl.haxx.se/mail/lib-2012-07/0111.html
 [11] = http://curl.haxx.se/mail/lib-2012-07/0122.html
 [12] = http://daniel.haxx.se/blog/2012/09/03/introducing-curl_multi_wait/
 [13] = http://curl.haxx.se/bug/view.cgi?id=3561305
 [14] = http://curl.haxx.se/mail/lib-2012-09/0019.html
 [15] = http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685402
 [16] = http://curl.haxx.se/bug/view.cgi?id=3564114
 [17] = http://curl.haxx.se/bug/view.cgi?id=3566860
 [18] = http://curl.haxx.se/bug/view.cgi?id=3568327
 [19] = http://curl.haxx.se/mail/lib-2012-09/0127.html
 [20] = http://curl.haxx.se/mail/lib-2012-09/0188.html
 [21] = http://curl.haxx.se/mail/lib-2012-09/0081.html
