Log Message:
xfce4-timer-plugin: update to 1.7.1

Change log:

1.7.1
======
- Update URLs from goodies.x.o to docs.x.o (Bug #16180)
- Do not recreate box when orientation changes
- Remove unused eventbox
- Avoid square-sized plugin (Bug #16101)
- Remove unused variables and function
- Resolve GCC warning: ISO C90 forbids mixed declarations and code
- Preferences: Improved spacing and layout in editor (Bug #14678)
- Selecting a timer always starts it
- Add Hossam Ayman's multiple timer code, some leak and g_free fixes in
  update_function.
- Translation Updates:
  Albanian, Arabic, Asturian, Basque, Belarusian, Bulgarian,
  Catalan, Chinese (China), Chinese (Taiwan), Croatian, Czech, Danish,
  Dutch, Eastern Armenian, English (Australia), English (United Kingdom),
  Finnish, French, Galician, German, Greek, Hebrew, Hungarian, Icelandic,
  Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Malay,
  Norwegian Bokmål, Occitan (post 1500), Polish, Portuguese, Portuguese
  (Brazil), Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai,
  Turkish, Uighur, Ukrainian, Urdu, Urdu (Pakistan)