sync branch whenever there is no parent
sync branch whenever there is no parent

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