updated plugin W3 Total Cache version 2.3.3

wp-content/plugins/w3-total-cache/vendor/guzzlehttp/guzzle/.github/SUPPORT.md

@@ -0,0 +1,18 @@
+# Support
+
+If you're looking for support for Guzzle, here are a few options:
+
+- [Documentation](http://guzzlephp.org/)
+- [Gitter](https://gitter.im/guzzle/guzzle)
+- [#guzzle](https://php-http.slack.com/messages/CE6UAAKL4/) channel in [PHP-HTTP](http://php-http.org) Slack team
+
+Guzzle is a relatively old project, so chances are you will find
+much about them on Google or Stack Overflow:
+
+- [guzzle](https://stackoverflow.com/questions/tagged/guzzle) tag on Stack Overflow (recommended)
+- [guzzlehttp](https://stackoverflow.com/questions/tagged/guzzlehttp) tag on Stack Overflow
+- [guzzle6](https://stackoverflow.com/questions/tagged/guzzle6) tag on Stack Overflow
+
+
+You can also browse the issue tracker for support requests,
+but we encourage everyone to use the channels above instead.