(SERVER-2060) Mention JRuby instance splaying in development docs
(SERVER-2060) Mention JRuby instance splaying in development docs

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