Napalm-ansible

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- Add support for ansible_network_os
- Fix minor documentation errors
- Expand filenames for `*_file` parameters
- Fix Ansible 2.8 backwards incompatible changes
- Removing support of legacy napalm_base
- Changing napalm_cli to cli_results; napalm_ping to ping_results
- Use yaml safe_load for tests

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- Python3 support
- Fix issue with an exception in napalm_install_config

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- Fix PIP10 compatibility issue
- Add support for saving `candidate_file` during the config install

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- Fix old napalm_base references
- Various documentation fixes
- Add action plugin to better support command-line arguments

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- Fix import so that reunified napalm gets tried first
- Fix except statements to that they are compatible with Python3

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- Add support for ``nxos_ssh`` driver
- Update unit tests to support Ansible 2.4