[nautilus] (12 commits) Non-fast-forward update to branch wip/antoniof/extension-properties

[António Fernandes <antoniof src gnome org>]

The branch 'wip/antoniof/extension-properties' 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:

  b1521d9... libnautilus-extension: Introduce model-based properties ext
  3a71115... properties-window: Add star button
  ffad393... image-properties: Port to new API
  b3fa7cc... image-properties: Don't depend on GTK
  2f6cd1d... audio-video-properties: Port to new API
  541fad3... properties: Remove old extensions API
  a056bf4... menu-provider: Don't pass GtkWindow
  c9f311c... libnautilus-extension: Drop widget provider
  34cc918... column: Don't depend on GTK
  5e79194... libnautilus-extension: Bump pkgconfig version

Commits added to the branch:

  6ee1ab8... Update Persian translation (*)
  731934d... files-view-context-menu: Add "Visible Columns" to backgroun (*)
  a3002b1... libnautilus-extension: Introduce model-based properties ext
  5d378a4... properties-window: Add star button
  695c9c6... image-properties: Port to new API
  33855b7... image-properties: Don't depend on GTK
  ad4cdb8... audio-video-properties: Port to new API
  e418cf4... properties: Remove old extensions API
  bc55ff7... menu-provider: Don't pass GtkWindow
  b625533... libnautilus-extension: Drop widget provider
  c60d309... column: Don't depend on GTK
  e988927... libnautilus-extension: Bump pkgconfig version

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