Migrate to using instrumenting jetty 9.
Back to latest stable version of Jetty 9 plus creating timers with sensible names.
Included option :send-server-version (default false) as this is awkward to set in the configurator as we did before.
Merge remote-tracking branch 'upstream/master'
Merge pull request #1 from mdaley/master

Migrate to using instrumenting jetty 9.