New stable release of xfce4-power-manager.

* Re-introduce the trayicon for better support of other DEs (Bug #11054)
* Miscellaneous bug fixes:
 - Fix dbus call for CK2 suspend (Bug #11610)
 - Fix xfpm panel plugin crashes at startup when the locale is not UTF8
 - The scalemenuitem is actually an imagemenuitem

* Translation updates:
 Bulgarian (bg), Chinese (China) (zh_CN), Croatian (hr),
 Czech (cs), Dutch (nl), French (fr), German (de),
 Italian (it), Korean (ko), Malay (ms), Russian (ru),
 Spanish (es), Serbian (sr), Thai (th).