This project is a test project so students can fork the repository, make an update and submit a pull request.
Fork a project means when you find a project that is not yours and you want to contribute to it (propose changes) you can fork that project into your GitHub account.
Once the project has been forked into your GitHub account you can make the desired changes.
Once you are happy with the changes you have made to the project you then submit a pull request back to the project owner.
Instructions on how to fork, update and submit a pull request can be found here (work in progress).
In the meantime try here