Use the new build env on Travis
Use the new build env on Travis

more ram and dedicated cpu cores, better network, faster boot times

http://docs.travis-ci.com/user/workers/container-based-infrastructure/
kelvinst/elixir,beedub/elixir,beedub/elixir,antipax/elixir,kimshrier/elixir,kelvinst/elixir,michalmuskala/elixir,gfvcastro/elixir,ggcampinho/elixir,antipax/elixir,gfvcastro/elixir,joshprice/elixir,ggcampinho/elixir,kimshrier/elixir,pedrosnk/elixir,pedrosnk/elixir,elixir-lang/elixir,lexmag/elixir,lexmag/elixir