Log Message:
Update libwnck3 to 3.4.7

=============
Version 3.4.7
=============

  Features

  * Add wnck_set_default_icon_size and wnck_set_default_mini_icon_size functions
    to allow clients to define the size of the icons to be used for windows
    and applications.

=============
Version 3.4.6
=============

  Features

  * Add option to close windows with mouse middle click on button in tasklist
    (Stefano Karapetsas)
  * Add API to define task list orientation (Jean-Luc Porquet and Josselin Mouette)

  Fixes

  * ClassGroup: fix class signal signature (Marco Trevisan)
  * Get rid of the deprecated code in TaskList, Selector and Pager (Marco Trevisan)

  Translators

  * Andika Triwidada (id)
  * Ani Peter (ml)
  * Aurimas Černius (lt)
  * Balázs Úr (hu)
  * Daniel Mustieles (es)
  * Enrico Nicoletto (pt_BR)
  * Joe Hansen (da)
  * Krishnababu Krothapalli (te)
  * ManojKumar Giri (or)
  * Marek Černocký (cs)
  * Matej Urbančič (sl)
  * Nilamdyuti Goswami (as)
  * Rajesh Ranjan (hi)
  * Sandeep Sheshrao Shedmake (mr)
  * Shankar Prasad (kn)
  * Shantha kumar (ta)
  * Sweta Kothari (gu)
  * Theppitak Karoonboonyanan (th)
  * Yuri Myasoedov (ru)
  * Мирослав Николић (sr) (sr@latin

=============
Version 3.4.5
=============

  Features

	* Add getter and notifier for the Window role
	* Emit signals when a window instance or group name (WM_CLASS) changes (Marco \ 
Trevisan)

  Fixes

	* Remove deprecated APIs for device grabbing (Marco Trevisan)
	* Fix wnckprop hang, that made the system unusable (Marco Trevisan)
	* Fix build with recent automake (Nuno Araujo)
	* Use a little less power using g_timeout_add_seconds (B.Prathibha)

  Translators

	* ManojKumar Giri (or)
	* Piotr Drąg (pl)
	* Shankar Prasad (kn)

=============
Version 3.4.4
=============

  Translators

	* Runa Bhattacharjee (bn_IN)
	* chandankumar (hi)
	* Khoem Sokhem (km)
	* RÅ«dolfs Mazurs (lv)
	* Anish A (ml)
	* Piotr Drąg (pl)