* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Error if a module is found to shadow a reserved keyword
* Add test for shadowed module
* Bring in functools.wraps for the decorator
* Drop the decorator, make _find_plugin the real function, find_plugin now holds the shadow logic
* Swap order of functions for bottom to top execution order
* Only error for modules
* Add test for loading a lookup plugin that shadows a keyword