add colors for ease of sight

BLACK player -> Red color
WHITE player -> Green color

Will only work on consoles that support ANSI
escape sequences. It will therefore not work
on Windows. But should be no danger using it
like this. Someone should verify if it has no
effect on Windows or not though.

Signed-off-by: Ozan Safi <ozan.safi@yabs.se>
Merge pull request #1 from ozans/master

add colors for ease of sight