ANNOUNCE: exo 4.15.1 released

[Sean Davis]

exo 4.15.1 is now available for download from
  
  https://archive.xfce.org/src/xfce/exo/4.15/exo-4.15.1.tar.bz2
  https://archive.xfce.org/src/xfce/exo/4.15/exo-4.15.1.tar.bz2?sha1
  https://archive.xfce.org/src/xfce/exo/4.15/exo-4.15.1.tar.bz2?sha256


What is exo?
============

Exo is an Xfce library targeted at application development. It contains
various custom widgets and APIs extending the functionality of GLib and
GTK+. It also ships utilities for defining preferred applications,
mounting storage devices and more.

Website: 
  https://xfce.org/


Release notes for 4.15.1
========================
[Please note that this is a development release.]

This release transitions several exo components to xfce-settings, and
drops GTK+ 2 support.
Please use with xfce-settings 4.15.1 or later for best results.
- Removed binaries: exo-compose-mail, exo-helper-2
- Removed from API: ExoCellRendererEllipsizedText, 
  ExoIconBar, ExoToolbarsEditor, ExoToolbarsEditorDialog, 
  ExoToolbarsModel, ExoToolbarsView, ExoWrapTable, ExoXsessionClient,
  exo_atomic_inc, exo_atomic_dec

Other Updates:
- state variable is a GtkStateFlags
- Fix previous commit
- desktop-item-edit: Fix sensitivity of save button (Bug #16813)
- Add basic GitLab pipeline
- Attach popup window to toplevel parent (Bug #16768)
- Rename Thunar.desktop to thunar.desktop (Bug #16197)
- Extend selection on shift+drag (Bug #7526)
- Do not cancel selection on shift+drag
- Rename Thunar.desktop to thunar.desktop (Bug #16197)
- Fix type declaration (Bug #16678)
- desktop-item-edit: Use new XfceTitledDialog API
- Fix GTimeVal deprecation
- Replace deprecated G_INLINE_FUNC macro
- Replace deprecated macro
- Wrong keyboard navigation after using rubberband in exo-icon-view (Bug
#16286)
- Cursor position in icon view not visible/highlighted when using ctrl +
arrows (Bug #12227)
- Make sure default applications are properly set in mimeapps.list
- Translation Updates:
  Albanian, Amharic, Arabic, Asturian, Basque, Belarusian, Bengali,
Catalan, Chinese (Hong Kong), Chinese (Taiwan), Danish, Dutch, Estonian,
Greek, Hungarian, Icelandic, Interlingue, Italian, Kannada, Latvian,
Lithuanian, Norwegian Bokmål, Norwegian Nynorsk, Occitan (post 1500),
Panjabi (Punjabi), Persian (Iran), Portuguese, Romanian, Russian,
Slovak, Spanish, Telugu, Turkish, Uighur, Urdu, Urdu (Pakistan),
Vietnamese