remove dependency on hyp and marshmallow
remove dependency on hyp and marshmallow

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