Fast-o-Fix!

Hi! Fast-o-Fixes:

1. Vitaly musn't stuck anymore
   
2. Get in Cover crouching
   
3. Mouse cursor musn't get out of the screen anymore if you have more than 1 screen
   
4. Sound and FPS settings
   
5. "I/He is stuck!" mega-button - resets everybody to their initial points.
   
6. Grave fixed
   
7. Hair cliping fixed
   

Have fun!