3rd demo new update

- 3 new rooms: Reward room, Cafeteria and Classroom

- 1 new vending machine: Safety scissors machine

- Added a start item which can be obtained in the reward room if you got enough highscore as the poster said however.

- Playtime cooldown after jumprope minigame will no longer affected by the difficulty. It will remain at 15 seconds.

- Slow down Ninny on each difficulty a bit