MAKE: allow more verbose build output
MAKE: allow more verbose build output

people can now run:
  make Q=
to get a the maximum of build output

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