Imports
- github.com/Sirupsen/logrus
- github.com/alligrader/gradebook-backend/oauth
- github.com/alligrader/gradebook-backend/routes
- github.com/alligrader/gradebook-backend/tasks
- github.com/alligrader/gradebook-backend/util
- github.com/alligrader/gradebook-backend/ziphandler
- github.com/gorilla/mux
- github.com/markbates/goth/gothic