Update youtube-dl to version 2017.03.15
Update youtube-dl to version 2017.03.15

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