signal based refactoring
signal based refactoring

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