Curl and libcurl 7.21.3

 Public curl releases:         119
 Command line options:         138
 curl_easy_setopt() options:   180
 Public functions in libcurl:  58
 Known libcurl bindings:       39
 Contributors:                 827

This release includes the following changes:

 o Added --noconfigure switch to testcurl.pl.

This release includes the following bugfixes:

 o check for libcurl features for some command line options
 o Curl_setopt: disallow CURLOPT_USE_SSL without SSL support
 o http_chunks: remove debug output
 o URL-parsing: consider ? a divider
 o SSH: avoid using the libssh2_ prefix
 o SSH: use libssh2_session_handshake() to work on win64
 o TLS SNI: set name to custom Host header
 o TLS certcheck: use the custom Host: name for checks
 o ftp: prevent server from hanging on closed data connection when stopping
   a transfer before the end of the full transfer (ranges)

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:

 Dan Fandrich, Guenter Knauf, Pat Ray, Hongli Lai, Kamil Dudka

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