Fix the two centos70 nodeset to install correct puppet
Fix the two centos70 nodeset to install correct puppet

The two centos nodeset has an el6 puppet version configured.
Consequently all beaker specs with this nodesets fail during the
puppet installation step.

Change-Id: I511bea7320cd58d8e138cd403861475ce2f8e9e5

rdo-puppet-modules/puppet-ceph,fuel-infra/puppet-ceph,ceph/puppet-ceph,gwdg/puppet-ceph,Emmenemoi/puppet-ceph,fultonj/puppet-ceph,cloudbuy/puppet-ceph,MI-OSiRIS/puppet-ceph,MI-OSiRIS/puppet-ceph,norcams/puppet-ceph,stackforge/puppet-ceph,openstack/puppet-ceph,tdb/puppet-ceph,aldavud/puppet-ceph,koder-ua/ceph,NeCTAR-RC/puppet-ceph,pdrakeweb/puppet-ceph,IPnett/puppet-ceph,openstack/puppet-ceph,kevinlowrie/puppet-ceph,norcams/puppet-ceph,cloudbuy/puppet-ceph,fuel-infra/puppet-ceph,koder-ua/ceph