[polari] (10 commits) Non-fast-forward update to branch wip/bastianilso/error-handling

[Bastian Ilsø Hougaard <bastianilso src gnome org>]

The branch 'wip/bastianilso/error-handling' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  287dcd6... roomList: Status icon in header when connecting or on error
  91b97a9... MainWindow: Display error messages
  012dd5b... Error Handling: Show error details in ConnectionDetails dia
  cad2598... make in-app notifications behave better with long text
  695a689... Show notifications on a per room/server basis
  4555914... let application.js handle the errors
  ac0bdf0... make an offline state label for roomList
  10aa2d9... fixed commandoutputnotification so it works properly again

Commits added to the branch:

  c824ad3... roomStack: add visuals to chatPlaceholder (*)
  c7db2a0... Connections: Add placeholder text when state is empty (*)
  d656ee4... data: Renumber filters in client file (*)
  49ffd75... data: Add observer interface and filters to client file (*)
  869965b... status icon sidebar changes + removed connecting notificati
  6080bd1... errorNotification
  6c219bf... appnotifications now extends gtk.revealer
  00036fd... chatroommanager restoresavedchannels is public now.
  8a853b0... connection details error information
  b91ca2e... application.js: reconnectAccount implementation

(*) This commit already existed in another branch; no separate mail sent