Curl and libcurl 7.50.0

 Public curl releases:         156
 Command line options:         185
 curl_easy_setopt() options:   224
 Public functions in libcurl:  61
 Contributors:                 1404

This release includes the following changes:

 o http: add CURLINFO_HTTP_VERSION and %{http_version} [3]

This release includes the following bugfixes:

 o memdebug: fix MSVC crash with -DMEMDEBUG_LOG_SYNC [1]
 o openssl: fix build with OPENSSL_NO_COMP [2]
 o mbedtls: removed unused variables [4]
 o cmake: Added missing mbedTLS support [5]
 o URL parser: allow URLs to use one, two or three slashes [6]
 o curl: fix -q [regression] [7]
 o openssl: Use correct buffer sizes for error messages [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:

  Daniel Stenberg, Frank Gevaerts, Gisle Vanem, Marcel Raad, Michael Kaufmann,
  Renaud Lehoux, vanillajonathan on github
  (7 contributors)

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

References to bug reports and discussions on issues:

 [1] = https://curl.haxx.se/bug/?i=828
 [2] = https://curl.haxx.se/bug/?i=836
 [3] = https://curl.haxx.se/bug/?i=799
 [4] = https://curl.haxx.se/bug/?i=838
 [5] = https://curl.haxx.se/bug/?i=837
 [6] = https://curl.haxx.se/bug/?i=791
 [7] = https://curl.haxx.se/bug/?i=842
 [8] = https://curl.haxx.se/bug/?i=844
