Upgrade to Jetty 9.2.22.v20170606
Upgrade to Jetty 9.2.22.v20170606

https://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00110.html

andrewgaul/s3proxy,timuralp/s3proxy,timuralp/s3proxy,andrewgaul/s3proxy