add announcement blog post source
add announcement blog post source

openstack/cliff,dtroyer/cliff,citrix-openstack-build/cliff,openstack/cliff,hguemar/cliff-tablib,varunarya10/cliff,citrix-openstack-build/cliff,dhellmann/cliff-tablib,dtroyer/cliff,enzochiau/cliff,enzochiau/cliff,idjaw/cliff,idjaw/cliff,varunarya10/cliff,dreamhost/cliff-tablib