We need this because when the plugin listens to a promise, we can't trigger it
again later (after adding our spy), we instead need to add the spy beforehand.

by first waiting until chatboxes have been fetched as well.

- Bugfix: Entire list was removed when last bookmark was removed.
- Make the template more generic so that it can be used for showing open chat
  rooms

Should also fix some of the issues mentioned in #847

* Consistent unread messages count updating on ChatBoxView, Minimized ChatBoxView, RosterView and page's title

* Add tests for checking unread messages count updates in different GUI parts

* Update docs/CHANGES.md

* document windowStateChanged event in events.rst

https://greenkeeper.io/

* chatview: disable handling onMessageAdded when fetching messages during initialization

* update CHANGES.md

* remove inline style in roster template

* remove inline style from contacts panel

* remove inline-css from roster_filters

* remove inline style in trimmed chats

* remove last inline style from minimized chats

* update converse.css

* update changelog

* save unread message count (num_unread) to server

* update CHANGES.md

Hovering is not supported on touchscreen devices.

This will make the unread messages feature work.
Update so that new chats are opened in the background.

Ensures that max one chat box is visible at any given time.
For use in mobile or fullscreen applications.