Build PLTs on Travis

.travis.yml

language: elixir
elixir:
  - 1.0.0
  - 1.0.1
  - 1.0.2
  - 1.0.3
otp_release:
  - 17.4
  - 17.3
  - 17.2
  - 17.1
  - 17.0
before_script:
  - export PATH=`pwd`/elixir/bin:$PATH
  - git clone git://github.com/jeremyjh/dialyxir.git 
  - cd dialyxir
  - mix archive.build
  - mix archive.install --force
  - cd ..
  - mix local.hex --force
  - mix deps.get --only test
script:
  - MIX_ENV=test mix dialyzer.plt
after_script:
  - curl -sL https://raw.githubusercontent.com/travis-ci/artifacts/master/install | bash
  - /home/travis/bin/artifacts upload --key $ARTIFACTS_KEY --secret $ARTIFACTS_SECRET --bucket $ARTIFACTS_BUCKET test/dialyzer