[gtk+] (12 commits) Non-fast-forward update to branch wip/baedert/gtkimageview

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/gtkimageview' 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:

  2f11334... Add GtkImageView
  558ed84... widget: Remove get_preferred_width/height mention in warnin
  1ef9f2e... snapshot: Avoid a double-free

Commits added to the branch:

  4d27ac3... Updated Czech translation (*)
  21c6dfe... Updated Norwegian bokmål translation. (*)
  7409e87... Updated Norwegian bokmål translation. (*)
  e36d30d... Update Basque language (*)
  d07685f... Update Basque language (*)
  b842d6b... 3.89.4 (*)
  ec2ce26... colorbutton: Inherit from GtkWidget (*)
  1fcbc5b... gtkcontainerprivate: Remove unused function prototypes (*)
  6a6b654... widget: Remove get_preferred_width/height mention in warnin (*)
  0835599... snapshot: Avoid a double-free (*)
  4e14188... iconhelper: Remove unused _draw implementation (*)
  c5e7148... Add GtkImageView

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