openshift/origin-server — pull request #2300 by pravisankar (2013-04-30 23:36:10+00:00)
Title: Broker changes for supporting unsubscribe connection event.

Details: When one of the component is removed from the app and if it has published
some content to other components located on different gears, we issue
unsubscribe event on all the subscribing gears to cleanup the published content.