Write NSScreen output to log

gistfile1.m

    NSArray *screens=[NSScreen screens];
    for(NSScreen *s in screens)
    {
        NSLog(@"\n");
        NSLog(@"description:             %@", s.description);
        NSLog(@"backing scale factor:    %f", s.backingScaleFactor);
        NSLog(@"frame                    %@", NSStringFromRect(s.frame));
        NSLog(@"visibleFrame             %@", NSStringFromRect(s.visibleFrame));
        NSLog(@"device description:      %@", s.deviceDescription);
        NSLog(@"------------------------------------\n\n");
    }