Revisit How Tests are implemented in this package

[banagale]

Modernize test running in the package, possibly remove symbolic link used in example.

See example method from django-registration. Consider best practices in Django Standalone Apps.

See also this blog post.

See also installable django app.

[banagale]

Closing in lieu of #154. I am still not sure about the symlink for the example app, but it works and a new ticket can be opened for that should it become a priority down the line.