add max_age old blocks on newblock
add max_age old blocks on newblock

ethereum/pyethapp,ethereum/pyethapp,RomanZacharia/pyethapp,kustomzone/pyethapp,gsalgado/pyethapp,changwu-tw/pyethapp,RomanZacharia/pyethapp,d-das/pyethapp,vaporry/pyethapp,gsalgado/pyethapp,changwu-tw/pyethapp