Update vagrant to version 1.9.3
Update vagrant to version 1.9.3

nikolasd/scoop,vidarkongsli/scoop,reelsense/scoop,r15ch13/scoop,kodybrown/scoop,nueko/scoop,berwyn/scoop,yunspace/scoop,Cyianor/scoop,rasa/scoop,coonce/scoop,Congee/scoop,vinaynambiar/lukesampson-,toxeus/scoop,lukesampson/scoop