Curl and libcurl 7.21.6

 Public curl releases:         122
 Command line options:         144
 curl_easy_setopt() options:   186
 Public functions in libcurl:  58
 Known libcurl bindings:       39
 Contributors:                 865

This release includes the following changes:

 o Added --tr-encoding and CURLOPT_TRANSFER_ENCODING

This release includes the following bugfixes:

 o curl-config: fix --version
 o curl_easy_setopt.3: CURLOPT_PROXYTYPE clarification
 o use HTTPS properly after CONNECT
 o SFTP: close file before postquote

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:

 Patrick Monnerat, Dan Fandrich, Gisle Vanem, Guenter Knauf,
 Rajesh Naganathan, Josue Andrade Gomes, Ryan Schmidt

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