Update v2.2.1.2

1.  Changed NPC collision to trigger.

2. Implemented lever switch detection using trigger collision.

3. Changed key collection to trigger collision.

4. Added restart game button 'R'.

5. Added shortcut to next map.

6. Added death blocks with Single axis movement script.

7. Added player respawn from collision with death blocks.

8. Added lever audio sound.

9.  Added new map NPC dialogue.

10. Added new puzzles to new map.

11.  Added enemy blocks to map.

12.  Added restart entire game with 'R' when in new map.