Support partition-conn-max back to 2.8
Support partition-conn-max back to 2.8

puppetlabs/puppetlabs-puppetdb,simp/puppetlabs-puppetdb,ghoneycutt/puppetlabs-puppetdb,tdevelioglu/puppetlabs-puppetdb,tdevelioglu/puppetlabs-puppetdb,puppetlabs/puppetlabs-puppetdb,simp/puppetlabs-puppetdb,ghoneycutt/puppetlabs-puppetdb