Curl and libcurl 7.40.0

 Public curl releases:         143
 Command line options:         162
 curl_easy_setopt() options:   208
 Public functions in libcurl:  58
 Contributors:                 1219

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
 o config-win32: Introduce build targets for VS2012+
 o SSL: Add PEM format support for public key pinning
 o smtp: Added support for the conversion of Unix newlines during mail send [8]
 o smb: Added initial support for the SMB/CIFS protocol
 o Added support for HTTP over unix domain sockets, via
   CURLOPT_UNIX_SOCKET_PATH and --unix-socket
 o sasl: Added support for GSS-API based Kerberos V5 authentication

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
 o CMake: Restore order-dependent header checks
 o CMake: Restore order-dependent library checks
 o tool: Removed krb4 from the supported features
 o http2: Don't send Upgrade headers when we already do HTTP/2
 o examples: Don't call select() to sleep on windows [6]
 o win32: Updated some legacy APIs to use the newer extended versions [5]
 o easy.c: Fixed compilation warning when no verbose string support
 o connect.c: Fixed compilation warning when no verbose string support
 o build: in Makefile.m32 pass -F flag to windres
 o build: in Makefile.m32 add -m32 flag for 32bit
 o multi: when leaving for timeout, close accordingly
 o CMake: Simplify if() conditions on check result variables
 o build: in Makefile.m32 try to detect 64bit target
 o multi: inform about closed sockets before they are closed
 o multi-uv.c: close the file handle after download
 o examples: Wait recommended 100ms when no file descriptors are ready
 o ntlm: Split the SSPI based messaging code from the native messaging code
 o cmake: fix NTLM detection when CURL_DISABLE_HTTP defined
 o cmake: add Kerberos to the supported feature
 o CURLOPT_POSTFIELDS.3: mention the COPYPOSTFIELDS option
 o http: Disable pipelining for HTTP/2 and upgraded connections
 o ntlm: Fixed static'ness of local decode function
 o sasl: Reduced the need for two sets of NTLM messaging functions
 o multi.c: Fixed compilation warnings when no verbose string support
 o select.c: fix compilation for VxWorks [7]
 o multi-single.c: switch to use curl_multi_wait
 o curl_multi_wait.3: clarify numfds being used if not NULL
 o http.c: Fixed compilation warnings from features being disabled
 o NSS: enable the CAPATH option [9]
 o docs: Fix FAILONERROR typos
 o HTTP: don't abort connections with pending Negotiate authentication
 o HTTP: Free (proxy)userpwd for NTLM/Negotiate after sending a request
 o http_perhapsrewind: don't abort CONNECT requests
 o build: updated dependencies in makefiles
 o multi.c: Fixed compilation warning
 o ftp.c: Fixed compilation warnings when proxy support disabled
 o get_url_file_name: Fixed crash on OOM on debug build
 o cookie.c: Refactored cleanup code to simplify
 o OS400: enable NTLM authentication
 o ntlm: Use Windows Crypt API
 o http2: avoid logging neg "failure" if h2 was not requested
 o schannel_recv: return the correct code [10]
 o VC build: added sspi define for winssl-zlib builds
 o Curl_client_write(): chop long data, convert data only once
 o openldap: do not ignore Curl_client_write() return code
 o ldap: check Curl_client_write() return codes
 o parsedate.c: Fixed compilation warning
 o url.c: Fixed compilation warning when USE_NTLM is not defined
 o ntlm_wb_response: fix "statement not reached" [11]
 o telnet: fix "cast increases required alignment of target type"
 o smtp: Fixed dot stuffing when EOL characters at end of input buffers [12]
 o ntlm: Allow NTLM2Session messages when USE_NTRESPONSES manually defined
 o ntlm: Disable NTLM v2 when 64-bit integers are not supported
 o ntlm: Use short integer when decoding 16-bit values
 o ftp.c: Fixed compilation warning when no verbose string support
 o synctime.c: fixed timeserver URLs
 o mk-ca-bundle.pl: restored forced run again
 o ntlm: Fixed return code for bad type-2 Target Info
 o curl_schannel.c: Data may be available before connection shutdown
 o curl_schannel: Improvements to memory re-allocation strategy [13]
 o darwinssl: aprintf() to allocate the session key
 o tool_util.c: Use GetTickCount64 if it is available
 o lib: Fixed multiple code analysis warnings if SAL are available
 o tool_binmode.c: Explicitly ignore the return code of setmode
 o tool_urlglob.c: Silence warning C6293: Ill-defined for-loop
 o opts: Warn CURLOPT_TIMEOUT overrides when set after CURLOPT_TIMEOUT_MS
 o SFTP: work-around servers that return zero size on STAT [14]
 o connect: singleipconnect(): properly try other address families after failure
 o IPV6: address scope != scope id [15]
 o parseurlandfillconn(): fix improper non-numeric scope_id stripping [16]
 o secureserver.pl: make OpenSSL CApath and cert absolute path values
 o secureserver.pl: update Windows detection and fix path conversion
 o secureserver.pl: clean up formatting of config and fix verbose output
 o tests: Added Windows support using Cygwin-based OpenSSH
 o sockfilt.c: use non-Ex functions that are available before WinXP
 o VMS: Updates for 0740-0D1220
 o openssl: warn for SRP set if SSLv3 is used, not for TLS version
 o openssl: make it compile against openssl 1.1.0-DEV master branch
 o openssl: fix SSL/TLS versions in verbose output
 o curl: show size of inhibited data when using -v
 o build: Removed WIN32 definition from the Visual Studio projects
 o build: Removed WIN64 definition from the libcurl Visual Studio projects
 o vtls: Use bool for Curl_ssl_getsessionid() return type
 o sockfilt.c: Replace 100ms sleep with thread throttle
 o sockfilt.c: Reduce the number of individual memory allocations
 o vtls: Don't set cert info count until memory allocation is successful
 o nss: Don't ignore Curl_ssl_init_certinfo() OOM failure
 o nss: Don't ignore Curl_extract_certinfo() OOM failure
 o vtls: Fixed compilation warning and an ignored return code
 o sockfilt.c: Fixed compilation warnings
 o darwinssl: Fixed compilation warning
 o vtls: Use '(void) arg' for unused parameters
 o sepheaders.c: Fixed resource leak on failure
 o lib1900.c: Fixed cppcheck error [17]
 o ldap: Fixed Unicode connection details in Win32 initialsation / bind calls
 o ldap: Fixed Unicode DN, attributes and filter in Win32 search calls

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:

  Anthon Pang, Bill Nagel, Brad Harder, Brad King, Carlo Wood, Christian Hägele,
  Dan Fandrich, Daniel Stenberg, Dave Reisner, Frank Gevaerts, Gisle Vanem,
  Guenter Knauf, Jan Ehrhardt, Johan Lantz, John E. Malmberg, Jon Spencer,
  Julien Nabet, Kamil Dudka, Kyle J. McKay, Lucas Pardue, Marc Hoersken,
  Marc Renault, Michael Osipov, Nobuhiro Ban, Patrick Monnerat, Peter Wu,
  Ray Satiro, Sam Hurst, Stefan Bühler, Stefan Neis, Steve Holme,
  Tae Hyoung Ahn, Tatsuhiro Tsujikawa, Tomasz Kojm, Tor Arntsen, Waldek Kozba,
  Warren Menzer

        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] = http://sourceforge.net/p/curl/feature-requests/82/
 [6] = http://curl.haxx.se/mail/lib-2014-11/0221.html
 [7] = http://curl.haxx.se/bug/view.cgi?id=1455
 [8] = http://curl.haxx.se/bug/view.cgi?id=1456
 [9] = http://curl.haxx.se/bug/view.cgi?id=1457
 [10] = http://curl.haxx.se/bug/view.cgi?id=1462
 [11] = http://curl.haxx.se/mail/lib-2014-12/0089.html
 [12] = http://curl.haxx.se/bug/view.cgi?id=1456
 [13] = http://curl.haxx.se/bug/view.cgi?id=1450
 [14] = http://curl.haxx.se/mail/lib-2014-12/0103.html
 [15] = http://curl.haxx.se/bug/view.cgi?id=1451
 [16] = http://curl.haxx.se/bug/view.cgi?id=1449
 [17] = https://github.com/bagder/curl/pull/133
 [18] =