STEEM Witness check for docker setup. Auto recovery from GREEN D..K attack :)

check.sh

#!/bin/bash
count=0
while [ $count -lt 3 ];
do
if docker logs --tail 10 witness | grep handle_block;
then
        echo "All OK. Count value: $count"
        sleep 120
else
        let "count = count + 1"
        echo "no processed blocks"
        ./run.sh stop
        echo "stopped"
        sleep 15
        echo "starting"
        ./run.sh start
        echo "started"
        sleep 120
fi;
done