Big update, Please redo the tutorial — Task Force 9 Steam update #699010

* Add crouching * Added animation for the rappelling for the demo. * "On you" feature is in the tutorial now. * Added animation when you shoot targets. * change audio in the stealth tutorial * Change the trigger icon to clarify when to press the trigger. * Add more time to the patrol and investigation * Change level design in "attack on the city" so it's easier to plant bombs. * some more minor changes and bug fixes