[libwnck] (20 commits) ...resource-usage: use WnckHandle to get screen

[Marco Trevisan <marcotrevi src gnome org>]

Summary of changes:

  774208d... xutils: use WnckHandle to get client type (*)
  f44e6bd... window: use WnckHandle to get client type (*)
  8dfac46... util: remove _wnck_get_client_type (*)
  1168cf1... application: use WnckHandle to get icon sizes (*)
  77b66aa... class-group: use WnckHandle to get icon sizes (*)
  aff706b... window: use WnckHandle to get icon sizes (*)
  f124491... util: remove _wnck_get_default_icon_size (*)
  8a72e58... application: use WnckHandle to get application (*)
  2bfe06f... pager: use WnckHandle to get screen (*)
  e0a9da9... selector: use WnckHandle to get screen (*)
  a129eac... screen: use WnckHandle to get window (*)
  834f128... screen: use WnckHandle to get class group (*)
  10fea12... screen: use WnckHandle to get application (*)
  27e3a6a... window: use WnckHandle to get window (*)
  b8396d5... window: use WnckHandle to get application (*)
  044d4b5... window: use WnckHandle to get screen (*)
  4801263... tasklist: use WnckHandle to get screen (*)
  5994c6e... tasklist: use WnckHandle to get icon size (*)
  21755f2... util: remove _wnck_get_default_mini_icon_size (*)
  3acbfe5... resource-usage: use WnckHandle to get screen (*)

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