* Unit tests passing for loading Train plugins
* detect works with a train test fixture
* Update fixture install of train-fixture-plugin
* Add functional tests for detect and shell when talking to a train plugin backend
* Update docs to reflect availability of Train plugins
* Functional test for install train plugin from path
* Working install train plugin from path, more tests for installing from odd locations
* PR Feedback
Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>