When the judge or coordinator sign in, the url that it takes you to is either /judgesessions or /coordinatorsessions, now when you hit the back button, it will no longer give you an error, but will take you to either the current judge, or the current coordinator. User Story: 4 User Story: 12
 The judge and coordinator could no longer access the sessions#new link because of previous attempt to be able to use the Back button. Now the links are ready to use. But after the first login, user can not use the back button. User Story: 4 User Story: 12
 The judge and coordinator controller set up in order to not have the /session url when you log in.  User Story: 4 User Story: 12
Set up view tests so that we can test the view of the navigation home page. User Story: 1