Log Message:
xfce4-panel: update to 4.14.3

Change log:

4.14.3
======
- Always provide files for vala binding in dist tarball

4.14.2
======
- plugins: Fix enter/leave opacity w/o compositing (Bug #14577)
- tasklist: Fix drag&drop in deskbar mode (Bug #16298)
- appmenu: Use panel's icon size
- appmenu: Listen to icon theme changes (Bug #15861)
- prefs: Plug memory leaks (Bug #16016)
- Replace GtkStock icon
- Translation Updates:
  Albanian, Amharic, Arabic, Armenian (Armenia), Asturian, Basque,
  Belarusian, Bengali, Bulgarian, Catalan, Chinese (China), Chinese (Hong
  Kong), Chinese (Taiwan), Croatian, Czech, Danish, Dutch, English
  (Australia), English (United Kingdom), Estonian, Finnish, French,
  Galician, Georgian, German, Greek, Hebrew, Hungarian, Icelandic,
  Indonesian, Interlingue, Italian, Japanese, Kazakh, Korean, Lithuanian,
  Malay, Norwegian Bokmål, Norwegian Nynorsk, Occitan (post 1500),
  Panjabi (Punjabi), Persian (Iran), Polish, Portuguese, Portuguese
  (Brazil), Romanian, Russian, Serbian, Sinhala, Slovak, Slovenian,
  Spanish, Swedish, Thai, Turkish, Uighur, Ukrainian, Vietnamese