temporarily disable gpg checking until we have a way to cleanly enable it

roles/openshift_repos/files/origin/repos/centos-origin.repo

@@ -2,4 +2,4 @@
 name=CentOS OpenShift Origin
 baseurl=http://mirror.centos.org/centos/7/paas/x86_64/openshift-origin/
 enabled=1
-gpgcheck=1
+gpgcheck=0