(SERVER-2076) Pin jackson-databind to 2.9.1
(SERVER-2076) Pin jackson-databind to 2.9.1

This commit pins jackson-databind to a version that contains a
remediation for CVE-2017-15095.

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