Adds Sprint 18 demo blog post
Adds Sprint 18 demo blog post

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