[gtk/wip/matthiasc/for-master] (14 commits) ...window: Unrealize renderer before children

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  233d096... icon theme: Avoid a string copy (*)
  dbbb7ee... testicontheme: Remove useless function (*)
  2ea95a7... Drop gtk_icon_theme_list_contexts (*)
  6373ced... Drop gtk_icon_theme_get_example_icon_name (*)
  dd69bca... icon theme: Start to untangle GtkIconInfo (*)
  c3de5e3... Avoid a use of icon_file (*)
  3c219bf... Add another symbolic pixbuf helper (*)
  e190b45... Drop another use of icon_file (*)
  20e70a7... Drop another use of icon_file (*)
  15dffb4... icon theme: Drop icon_file from GtkIconInfo (*)
  416b2cd... Move symbolic pixbuf recoloring code (*)
  1dd55ed... Drop gtk_icon_info_new_for_pixbuf (*)
  7a73f43... Merge branch 'wip/matthiasc/icon-theme' into 'master' (*)
  fbfef62... window: Unrealize renderer before children

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