Merge branch '2990_cleanup'

Merge branch '2990_cleanup'

* 2990_cleanup:
  Refresh po/*.po files.
  Rename functions:
  (dlg_overlap): rename to widget_overlapped()
  (dlg_replace_widget): rename to widget_replace()
  (dlg_widget_active): rename to widget_is_active()
  (mcview_ok_to_quit): move to actions_cmd.c and make static.
  (dlg_mouse_event): minor refactoring.
  (dlg_default_callback): get rid of extra type cast.
  WTree: fix double-click handling.
  Code reorganization and fixes around the vfs_path_as_str() function
  Ticket #3022: misc/mc.menu contains russian UTF-8 "Ó" instead of English "c".
  (vfs_path_as_string): clarify return value.
  Fix draw of tree mini-status.
  Ticket #2071: a bit cleanup of getting profile name.
  Ticket #2164: clarify cursor position in mcviewer.
  Ticket# 2990: prepare to 4.8.9 release.