Update controllers to received Request and Response PSR-7 objects so they can be used as middleware.

[dragoonis]

https://github.com/ppi/framework/blob/master/src/Module/AbstractModule.php#L322

and

https://github.com/ppi/framework/blob/master/src/App.php#L293

To test this
Need to test this from SkeletonApp, by accepting a RequestInterface, ResponseInterface and then setting the body content of that PSR-7 object and then returning $response back from the controller action.