Fix bug 921715 - 'nova x509-create-cert' fails
Fix bug 921715 - 'nova x509-create-cert' fails

The 'CN' value passed to openssl was too long, shorten it.

Change-Id: I9da6510bf23a8ad33b08f3373f09e0c5287fe051

yrobla/nova,yrobla/nova,sileht/deb-openstack-nova,yrobla/nova,sileht/deb-openstack-nova,sileht/deb-openstack-nova