[libwnck] (9 commits) Non-fast-forward update to branch wip/muktupavels/private-wnck-handle

[Alberts Muktupāvels <muktupavels src gnome org>]

The branch 'wip/muktupavels/private-wnck-handle' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  0ffa580... add private WnckHandle object

Commits added to the branch:

  c1460f7... xutils: replace width and height with size in read_icons (*)
  daad23c... xutils: replace width and height with size in get_fallback_ (*)
  402cbd0... xutils: use ideal_size also in try_pixmap_and_mask (*)
  0aa30fe... xutils: don't check if ideal size is 0 or less (*)
  849d465... xutils: use single size parameter also in read_rgb_icon (*)
  e595a62... tasklist: scale down window geometry to application pixels (*)
  d348489... tasklist: scale up icon geometry to device pixels (*)
  c786d24... tasklist: set size request mode (*)
  1d3ae4c... add private WnckHandle object

(*) This commit already existed in another branch; no separate mail sent