(SERVER-2213) Upgrade clj-parent to 2.1.0
(SERVER-2213) Upgrade clj-parent to 2.1.0

This clj-parent bump updates the version of jetty to 9.4.11.v20180605.

puppetlabs/puppetserver,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppet-server