fixed broker extended by increasing timeout
embedding and versions support for community carts
Merge pull request #2305 from rajatchopra/url_story

Merged by openshift-bot
Merge pull request #2307 from lnader/master

Merged by openshift-bot
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.
Merge pull request #2300 from pravisankar/dev/ravi/card21

Merged by openshift-bot