Added BaseLayout component that will serve as bas for the layout of the app. It is modeled after https://next.vuetifyjs.com/examples/layouts/google-contacts . The gradySpeak has been moved to the front-end.

closes #65
closes #59

* no url configuration needed simply register viewset with router
* now using DefaultRouter, meaning api root is now browsable
* merged some views
* makes it easier to include api schema later
* Ran isort and updated docstring

Changed package.json mian.js App.vue accordingly. StudentPage Components need updating.

Backend
- Added isStudent permission
- Added serializers apropriate for StudentPage
- Added api-endpoint urls
- Added views regarding StudentPage
- Migrated the Django Session Authentication to djangorestframework-jwt authentication

Frontend
- Migrated from vue-resource to axios because of better documentation & features
- Added Login Component
- Added First Part of StudentPage containing overview of exam and subissions

Closes #41
References #39

Backend
- Added isStudent permission
- Added serializers apropriate for StudentPage
- Added api-endpoint urls
- Added views regarding StudentPage
- Migrated the Django Session Authentication to djangorestframework-jwt authentication

Frontend
- Migrated from vue-resource to axios because of better documentation & features
- Added Login Component
- Added First Part of StudentPage containing overview of exam and subissions

Closes #41
References #39

The front-end folder has been initiliazed with the vue webpack template including configuration for unit-testing with Karma + Mocha.