----------------
- Add ``stub_reponse`` method to ``MockTestCase`` and adjust the
``stub_request`` method accordant.
[phgross]
- Made providing interfaces configurable for the ``stub_request`` method.
[phgross]
- Let the stub_request method also stub the getStatus of the response.
[phgross]
- Add ``stub_request`` method to ``MockTestCase``.
[jone]
- No longer tear down the component registry in mock test case. Use the
ComponentRegistryLayer.
[jone]
- Add ``ComponentRegistryLayer`` base class.
[jone]
- Add ``mock_interface`` and ``stub_interface`` methods to MockTestCase, creating
a mock and using the interface as spec.
[jone]
- Accept also interfaces directly rather than lists of interfaces when
creating mocks or stubs which provides the interfaces.
[jone]