more levels of invited friends + more points#36

I should see 3 or 4 levels of invited friends & I can win different no. points per level!

-Valentin (level 1 - 5 points)

- Ana (level 2 - 4 points)
- Alexander (level 2)
         - 3 more invited (level 3 - 2 points) 
                         - 7 more invited (level 4 - 1 point)
- Diana (level 2)
         - 10 more invited