0f4fc18cba
Test puppet apply on trusty using an ubuntu-trusty node: Change gate-infra-puppet-apply-bare-trusty to gate-infra-puppet-apply-ubuntu-trusty. Also set min-ready to 0 for ubuntu-trusty in nodepool, a followup with remove the configuration completely. Change-Id: I4deff0af52d4189f1d07ddb6b07da5152888c144