Log Message:
xfce4-panel: update to 4.14.1

Change log:

4.14.1
======
 - Draw panel border based on position and length
 - windowlist: Make layout consistent with xfdesktop
 - windowmenu: Replace deprecated gtk_widget_modify_font
 - tasklist: Resize when windows get removed (Bug #14394)
 - systray: Fix icons without compositing (Bug #14577)
 - pager: Fix scrolling in pager-buttons (Bug #15614)
 - launcher: Fix visual state of arrow-button (Bug #15818)
 - launcher: Avoid excessive left padding on popup menu (Bug #15819)
 - Translation Updates:
   Albanian, Arabic, Armenian (Armenia), Belarusian, Chinese (China),
   Chinese (Taiwan), Galician, Greek, Hebrew, Indonesian, Japanese, Malay,
   Polish, Serbian, Slovak, Swedish, Thai