Add CentOS support to the docker-storage-setup role (#790)
Add CentOS support to the docker-storage-setup role (#790)

This let's us use the role on CentOS systems, as well as RHEL. In addition, it
installs docker and makes sure it's restarted (as opposed to just "started"
which has no effect when docker is already running).
cwilkers/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,openshift/openshift-ansible-contrib,openshift/openshift-ansible-contrib,glennswest/openshift-ansible-contrib,openshift/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,openshift/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib