use rebar compiled with older version for compat
use rebar compiled with older version for compat

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