Enable rebar3 manager by default
Enable rebar3 manager by default

ggcampinho/elixir,beedub/elixir,antipax/elixir,pedrosnk/elixir,antipax/elixir,kimshrier/elixir,michalmuskala/elixir,lexmag/elixir,kelvinst/elixir,lexmag/elixir,elixir-lang/elixir,beedub/elixir,ggcampinho/elixir,gfvcastro/elixir,joshprice/elixir,pedrosnk/elixir,kelvinst/elixir,gfvcastro/elixir,kimshrier/elixir