- Bugfixes:
  - Get the actual widget state flags to avoid constant redraws (Bug #14307)
  -launcher: Fix empty button in remove launcher dialog (Bug #13962)
  -launcher: Make sure icons are not oversize
  - launcher: Make sure the appropriate icon size is used
  - launcher: Fix resizing of pixbuf based icons (Bug #14138)
  - Move "Separator" to the top of the "Add New Items..." menu (Bug #14086)
  - Make a couple of strings translatable (Bug #14338)
  - Make former GtkStock dialog buttons translateable (Bug #14338)
  - Make double-click add plugin in the "Add item" dialog (Bug #9784)
  - clock: Improve discoverability of tooltip help-texts (Bug #11708)
  - Correctly initialize return value (Bug #10873)
  - Gtk+3 fixes:
    Fix various warnings with Gtk3 (Bug #14135)
    Fix Gtk+3 version in ifdef
    Use gdk_screen_is_composited with Gtk3 (Bug #14128)
  Try to fix menu positioning with Gtk3.22
  - Various icon fixes:
    Switch to GtkIconTheme (Bug #14125)
    Fix missing icons with Adwaita icon theme (Bug #14133)
    Fix remaining deprecated icon names
- Translation updates: Belarusian, Bulgarian, Catalan, Chinese (China),
   Croatian, Czech, Danish, Dutch (Flemish), English (Australia), Finnish,
   French, Galician, German, Greek, Hebrew, Hungarian, Italian, Japanese,
   Lithuanian, Malay, Norwegian Bokmål, Polish, Portuguese (Brazilian),
   Russian, Serbian, Turkish, Ukrainian