Implement real-time bridge

[kythyria]

The RTB message contains notifications of a number of things, in particular bookmark/friend adds and new notes.

Hence, it should be implemented.

• Bookmarks
• Friends
• Notes
• Forum posts
• Ticket replies
• Bug report replies
• Comment replies

[Dhwty]

Forum posts on subscribed threads, replies to tickets, replies to suggestions/bug reports, replies to comments on suggestions/bug reports/newsposts. That's what I know you're missing, off the top of my head.