CourseFacade Done - Tested in main. Mock..meh

- CourseFacadeDB in facadeTests is done, and has been tested in a main.
- CourseFacadeDB copied into our facades package, and renamed to
CourseFacade.
- CourseFacadeMock is also done, but not tested.
- Test for courseFacade is pushed to a later date.

Next steps:
1. Make course handler
2. Test via post man
3. Make js code
4. bind everything with the html
5. ceeeelebrate good times c’mon

Commit: Christopher