Merge branch '4490_cleanup'

Merge branch '4490_cleanup'

* 4490_cleanup: (46 commits)
  Update po/*.po files.
  (mc_config_history_save): remove check because condition is always true here.
  (mc_config_history_get_recent_item): new API.
  Fix comments of history and panels.ini files location.
  lib/mcconfig/history.c: fix comments.
  src/editor/edit.c: fix coding style.
  (edit_insert_file): change variable type from int to gboolean.
  (edit_user_menu): avoid inverse logic.
  mcedit: rename user_menu() to edit_user_menu().
  mcedit: minor optimization.
  (edit_cursor_to_eol): reduce variable scope.
  (edit_execute_cmd): refactor loop.
  (insert_spaces_tab): refactor loop.
  Refactoring: avoid create an empty strings.
  (expand_format): remove intermediate variable.
  (strip_ext): refactor loop.
  mc.ext.ini.in: support webp images.
  tar: type accuracy.
  (oldgnu_get_sparse_info) fix conditional-uninitialized warning.
  (edit_print_string): refactor loop.
  ...