Non-functional chat app. To be revisited once a better idea has arisen for grouping connections.
Merge branch 'chat' into development
Make addition of extra components more config-dependent.
Bump version number, add changelog.
Bring not-done chat app up to speed on recent core changes.
Partly functional chat client, channelmanager, and associated changes. Update of jQuery to 1.9.1, fixing up other example apps for that change.
Add tests for channel managers.
Fix issue with RedisCluster heartbeat process not dying on uncaught exception.
Minor css and other updates to Echo app.
Almost done with chat example application.
Merge branch 'development'