Merge pull request #187 from esl/updates

Update dependencies and configs

Merge pull request #183 from esl/coordinator/arbitrary_names

Allow any term to be a coordinator name

Merge pull request #182 from esl/package

Update versions and prepare for new package

Merge pull request #175 from esl/users/pool_supervision_tree

Users supervision tree

Update versions to 3.0

Merge pull request #154 from esl/amoc-arsenal

Amoc arsenal

this PR introduces the following changes:
    exporting format/2 functin, since it's required for the REST API in amoc-arsenal
    fixing some functions in integration tests

Add hex and ex_doc project plugins

Merge pull request #147 from esl/hex_package

Hex package preparations

Merge pull request #139 from esl/rel-2.2.1

Prepare 2.2.1

Merge pull request #137 from esl/rel-2.2.0

Prepare 2.2.0 release