Adding s.zkcdn.net, fixes #113.
Adding s.zkcdn.net, fixes #113.

gfyoung/hosts,borisschapira/hosts,WillPresley/hosts,StevenBlack/hosts,FrancoGag/hosts,FrancoGag/hosts,gfyoung/hosts,WillPresley/hosts,StevenBlack/hosts,maxmurder/hosts,maxmurder/hosts