* add a new system with points, the more time remains, more points the player get
* add all new needed ui elements for the point system
* rewokring Loading Manager UI and Endscreen UI for the new points system
* add music variation when the player dies, comes to the game end and so on...
* fixed a bug; hard traps spawn on the normal difficulty because of the new added difficulty
* fixed a menue bug when the player dies and press Escape
* fixed issues with not right resets values
* fixed a visual flickering bug in the death screen