[gnome-music] (6 commits) ...appmenu: Hide Last.fm switcher if no account is configured

[Marinus Schraal <mschraal src gnome org>]

Summary of changes:

  13aec83... scrobbler: Add a "not available" state (*)
  352b03b... scrobbler: Add a configure account operation (*)
  50a83b1... scrobbler: Add a property to get account identity (*)
  f2c7e4e... lastfmdialog: Add a dialog to configure a Last.fm account (*)
  4016b63... appmenu: Add a menu to configure Last.fm scrobbler (*)
  c5e4add... appmenu: Hide Last.fm switcher if no account is configured (*)

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