Fabricio

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- Fix: fixed `dpath` and `six` required versions
- Enhancement: added Python 3.8 support

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- Enhancement: show explicit 'deploy' command in the list
- Enhancement: added Python 3.7 support
- Enhancement: added `contribution`_ info
- Enhancement: added ability to provide absolute or relative path to configuration file for ``docker.Stack`` and ``kubernetes.Configuration`` (`183`_)

.. _183: https://github.com/renskiy/fabricio/issues/100
.. _contribution: https://github.com/renskiy/fabriciocontribute

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- Fix: ``DockerTasks``: fixed remote_tunnel() apply which was broken in 0.5.5
- Fix: fixed terminal colors for Windows OS

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- Enhancement: ``DockerTasks``: added ``env`` parameter which can be used to provide set of environment variables for all commands executed on the remote host

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- Enhancement: destroying of ``docker.Stack`` or ``kubernetes.Configuration`` also removes all its images

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- Fix: ``kubernetes.Configuration``: fixed multi-master configurations