Adds the blog post for Sprint Demo 6
Adds the blog post for Sprint Demo 6

dkliban/pulpproject.org,pulp/pulpproject.org,bmbouter/pulpproject.org,bmbouter/pulpproject.org,dkliban/pulpproject.org,pulp/pulpproject.org,pulp/pulpproject.org,dkliban/pulpproject.org,pulp/pulpproject.org,bmbouter/pulpproject.org,dkliban/pulpproject.org,bmbouter/pulpproject.org