Use glob to match /etc/openshift-enterprise-{release,version}

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Add OpenShift node httpd logs to OpenShift plugin

The OpenShift node environment adds a new Apache log at:

  /var/log/httpd/openshift_log

Capture it in the OpenShift plugin.

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>