Curl and libcurl 7.39.1

 Public curl releases:         143
 Command line options:         162
 curl_easy_setopt() options:   208
 Public functions in libcurl:  58
 Contributors:                 1229

This release includes the following changes:

 o http_digest: Added support for Windows SSPI based authentication
 o version info: Added Kerberos V5 to the supported features
 o Makefile: Added VC targets for WinIDN

This release includes the following bugfixes:

 o OS400: Adjust specific support to last release
 o THANKS: Remove duplicate names
 o url.c: Fixed compilation warning
 o ssh: Fixed build on platforms where R_OK is not defined [1]
 o tool_strdup.c: include the tool strdup.h
 o build: Fixed Visual Studio project file generation of strdup.[c|h]
 o curl_easy_setopt.3: add CURLOPT_PINNEDPUBLICKEY [2]
 o curl.1: show zone index use in a URL
 o mk-ca-bundle.vbs: switch to new certdata.txt url
 o Makefile.dist: Added some missing SSPI configurations
 o build: Fixed no NTLM support for email when CURL_DISABLE_HTTP is defined
 o SSH: use the port number as well for known_known checks [3]
 o libssh2: detect features based on version, not configure checks
 o http2: Deal with HTTP/2 data inside Upgrade response header buffer [4]
 o multi: removed Curl_multi_set_easy_connection
 o symbol-scan.pl: do not require autotools
 o cmake: add ENABLE_THREADED_RESOLVER, rename ARES
 o cmake: build libhostname for test suite
 o cmake: fix HAVE_GETHOSTNAME definition
 o tests: fix libhostname visibility
 o tests: fix memleak in server/resolve.c
 o vtls.h: Fixed compiler warning when compiled without SSL

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:

  Carlo Wood, Christian Hägele, Dan Fandrich, Daniel Stenberg, Frank Gevaerts,
  Gisle Vanem, Guenter Knauf, Jan Ehrhardt, Lucas Pardue, Nobuhiro Ban,
  Patrick Monnerat, Peter Wu, Sam Hurst, Steve Holme, Tatsuhiro Tsujikawa,

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

References to bug reports and discussions on issues:

 [1] = http://curl.haxx.se/mail/lib-2014-11/0035.html
 [2] = http://curl.haxx.se/mail/lib-2014-11/0078.html
 [3] = http://curl.haxx.se/bug/view.cgi?id=1448
 [4] = https://github.com/tatsuhiro-t/nghttp2/issues/103
 [5] =
 