Update youtube-dl to version 2017.05.18
Update youtube-dl to version 2017.05.18

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