Upgrade elixir to master
Add mix local.hex directive
Fix typo in test:run.
Fix `test:run`.
Force instalation of hex
Make `test:run` default to all applications.

See issue #2.
Add `graphviz` for documentation generation.

Closes #1.
Use TEST_ARGS as a hack to pass-thru arguments to .
Use double-quotes around TEST_ARGS.
Use TEST_ARGS even if an app isn't specified.
Set TEST_ARGS before calling the target.
Revert 58d77d7b210e644f8927bb05c7c3e76e44b62e6c.
Remove sudoing again
Upgrade erlang to 17.1
Add dialyzer to toolchain
Checkout elixir 1.0.0
Merge pull request #5 from bexio/1.0.0

1.0.0