Curl and libcurl 7.47.1

 Public curl releases:         152
 Command line options:         179
 curl_easy_setopt() options:   221
 Public functions in libcurl:  61
 Contributors:                 1346

This release includes the following bugfixes:

 o getredirect.c: fix variable name
 o tool_doswin: silence unused function warning [1]
 o cmake: fixed when OpenSSL enabled on Windows and schannel detected [2]
 o curl.1: Explain remote-name behavior if file already exists
 o tool_operate: Don't sanitize --output path (Windows) [3]
 o URLs: change all http:// URLs to https:// in documentation & comments
 o sasl_sspi: Fix memory leak in domain populate [4]
 o COPYING: clarify that Daniel is not the sole author
 o examples/htmltitle: Use _stricmp on Windows [5]
 o examples/asiohiper: Avoid function name collision on Windows [6]
 o idn_win32: Better error checking [7]
 o openssl: Fix signed/unsigned mismatch warning in X509V3_ext [8]

This release includes the following known bugs:

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

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

  Bernard Spil, Dan Fandrich, Daniel Stenberg, Gisle Vanem, Michael Kaufmann,
  Octavio Schroeder, Ray Satiro, Sergei Nikulov, Viktor Szakáts,
  (9 contributors)

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

References to bug reports and discussions on issues:

 [1] = https://github.com/curl/curl/pull/616
 [2] = https://curl.haxx.se/bug/?i=617
 [3] = https://curl.haxx.se/bug/?i=624
 [4] = https://github.com/curl/curl/issues/635
 [5] = https://curl.haxx.se/mail/lib-2016-02/0017.html
 [6] = https://curl.haxx.se/mail/lib-2016-02/0016.html
 [7] = https://github.com/curl/curl/pull/637
 [8] = https://github.com/curl/curl/commit/dd1b44c#commitcomment-15913896
