Add blazar project to project-data
Add blazar project to project-data

Blazar project became an official project in Queens cycle. This
patch appends a reference for blazar docs.

Change-Id: Id512d777ae7f46d212f67fd887a9a2a97b488538

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals