ENH allow stopping of frank-wolfe training with ctrl+c
ENH allow stopping of frank-wolfe training with ctrl+c

d-mittal/pystruct,pystruct/pystruct,wattlebird/pystruct,massmutual/pystruct,pystruct/pystruct,wattlebird/pystruct,amueller/pystruct,d-mittal/pystruct,massmutual/pystruct,amueller/pystruct