Log Message:
Update libwnck3 to 3.14.0 (first version since 3.4.9)

Release bump to 3.14.0

Fixes

* xutils: Support non-standard depths for icon pixmaps (Chris Wilson)
* xutils: Correctly link against libXrender (David King)
* pager: don't return invalid workspace rect (Alberts Muktupavels)
* tasklist: fix missing icon in tasklist button (Alberts Muktupavels)
* window-action-menu: don't use deprecated GtkImageMenuItem (Alberts Muktupavels)
* tasklist: don't use deprecated GtkImageMenuItem (Alberts Muktupavels)

Translators

* Anders Jonsson (sv)
* Saibal Ray (bn_IN)
* Timo Jyrinki (fi)