Widen the camera angle

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add wall sensing to IR sensors

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>
Add collision counter to robots (collision = 0 fitness)

Signed-off-by: Eduardo L. Buratti <elb09@c3sl.ufpr.br>