change default routing key to "urls"
change default routing key to "urls"

nlevitt/brozzler,vonrosen/umbra,nlevitt/brozzler,internetarchive/brozzler,nlevitt/brozzler,nlevitt/brozzler,internetarchive/brozzler,nlevitt/brozzler,internetarchive/umbra,vonrosen/umbra,internetarchive/brozzler,internetarchive/brozzler