* allow ANSIBLE_KEEP_REMOTE_FILES for local test runner
* add ANSIBLE_KEEP_REMOTE_FILES to tox.ini, update docs
* Clarify handling of environment variables.
* Show warning when using pylint on Python 2.6.
* Add pylint disable entries for Python 2.
* Fix unicode handling in ansible-test.
* Add missing documentation.
* Improve ansible-test inventory handling.
* Fix python 3 re-raise of exception from thread.
* Fix python 3 encoding for windows-integration.
* Run network tests on multiple python versions.
* Run windows tests on multiple python versions.
* Support Shippable delegation using --tox.
* Skip vyos_command on python 3 tests until fixed.
* Add python 3 filtering to local and tox.
* Fix tests to support back to back runs.
* Temporarily test networking with python 2.7 only.
Running the tests back to back causes intermittent test failures
which need to be addressed before we can test multiple versions
in a single test run.
