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

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 messages: 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

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

        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
