====== Tutorial GUI ======

Tutorial uses ''SCREEN_MESSAGEBOX_TUTORIAL'' gui display, and following gui scripts:

  * ''gui_disable_tutorial'' Disable tutorial by setting ''DisableTutorialMessages'' to 1 on PC.
  * ''gui_skip_tutorial'' Skip the whole tutorial by setting ''DisableTutorialMessages'' to 1 on PC, and setting the tutorial quest ''QUEST_M_TUTORIAL'' to -1 (only if tutorial quest is on progress).