[nautilus] (8 commits) ...audio-video-properties: Add error row on failure

[Corey Berla <coreyberla src gnome org>]

Summary of changes:

  3163e9a... properties: Don't attempt to setup_star if parent_location  (*)
  5722c39... properties: Set icon for root filesystem to the harddisk ic (*)
  65cff25... properties: Don't allow changing the icon for root filesyst (*)
  d761df2... properties: Fix opening gnome-disks for root filesystem (*)
  de36ec2... properties: Remove code for opening existing window (*)
  5815676... properties: Use Operating System name for root filesystem (*)
  d0181a0... properties: Don't propagate height of subpages (*)
  769b892... audio-video-properties: Add error row on failure (*)

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