Make sure cowboy doesn't build with redundant libs
Make sure cowboy doesn't build with redundant libs

joaohf/nitrogen,nitrogen/nitrogen,choptastic/nitrogen,nitrogen/nitrogen,nitrogen/nitrogen,kevinmontuori/nitrogen,kevinmontuori/nitrogen,stuart-thackray/nitrogen,stuart-thackray/nitrogen,choptastic/nitrogen,kevinmontuori/nitrogen,choptastic/nitrogen,joaohf/nitrogen,joaohf/nitrogen,stuart-thackray/nitrogen