openstack-common: Adding puppet on Redhat images
openstack-common: Adding puppet on Redhat images

Since Redhat & Centos are now split, let's use the same function to get
puppet.

enovance/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,lebauce/edeploy