Merge branch '3113_cleanup'

Merge branch '3113_cleanup'

* 3113_cleanup:
  From ticket #3116: attempt to fix segfault while passing messages to widgets.
  From ticket #3116: fix segfault in cpio VFS while reading corrupted RPM.
  From ticket #3116: fix possible segfault when freeing a VFS.
  Ticket #3151: lib/global.h: remove declaration of refresh_screen().
  Collapse list of copyright years to ranges. Add 2014 year.
  Ticket #3134: fix some inconsistencies in "Learn keys" UI.
  Ticket #3133: keypad '*' doesn't work with numlock off.
  Ticket #3132: exit without confirmation by default.
  (panel_operate): variable clean up.
  (move_dir_dir): variable clean up.
  src/filemanager/file.c: tweak indentation.
  doc/NEWS: cosmetics.
  src/editor/editbuffer.c: typo.
  Use symbolic names for standard file descriptors.
  (setup_cmdline): fixup of prompt truncation.
  Clarify --skin key in RU man page.
  Ticket #3073: clarify regex in urar helper.
  (panel_compute_totals): fix display of directory scanning statistics.
  Ticket #3113: code cleanup before 4.8.12 release.