Remove old unused tests.
Expose decorator router at aragog.Router
Update Router docstring with fieldlists.
Update setup.py to include routing package.

Also sets the test suite to the root of the testing directory.
Remove 'tests_require' from setup.py
Add integration tests for the decorator Router.

Uses WebTest for testing WSGI functionality.
Update fixture server with environ route.

Minor changes to docstrings and change in quotation usage.
Router imported from aragog, not routing.decorator.
Add TODO to keep track of next issues to work on.