[gtk+] (6 commits) ...Merge branch 'bgo687196-filesystemmodel-crash'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  281c592... Rename gtk_tree_path_new_from_node() to tree_path_new_from_ (*)
  f39f574... Remove argument to _gtk_file_system_model_update_file() tha (*)
  1cee5ff... Comments on how the filtering and sorting processes work (*)
  94e3d7f... Make freeze_updates() and thaw_updates() static functions (*)
  ea3a750... bgo#687196 - Fix model corruption during file removal (*)
  9c6e560... Merge branch 'bgo687196-filesystemmodel-crash'

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