Merge branch '4572_cleanup'

Merge branch '4572_cleanup'

* 4572_cleanup: (53 commits)
  doc: fix typos in comments
  Update po/*.po fiies.
  (mcview_display_hex): refactor, fix coding style.
  src/vfs/cpio/cpio.c: fix coding style.
  lib/vfs/path.h: fix coding style.
  (setup__is_cfg_group_must_panel_config): fix coding style.
  (check_format_var): fix coding stile.
  (copy_file_file): handling "Abort" button on chown/chmod/chattr error.
  buildsys: remove orphaned rpc checks after samba was deleted
  src/filemanager/chattr.c: fix coding style.
  (chattrboxes_rename): reduce variable scope.
  (files_error): fix coding style.
  (show_version): add output of uintmax_t size.
  lib/vfs/direntry.c: fix coding style.
  lib/vfs/vfs.c: fix coding style.
  (spell_dialog_spell_suggest_show): refactoring.
  tar: avoid need for base64_init and extra table.
  (tar_from_header): reword to avoid a cast to unsigned char.
  tar: avoid casts in tar_checksum.
  tar: prefer stoint to strtoul and variants.
  ...