Started work on using a store for the submission-notes component

google-code-prettify and font-awesome are no longer part of the repo but instead loaded via npm/yarn

Started work on structuring the vuex store into modules

To access the prototype run yarn start and go to /notes/

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.