Merge branch 'feature/exercise-fileupload' into 'master'

.gitignore

backend/secfit/workouts/admin.py

backend/secfit/workouts/migrations/0004_exercisefile.py

...fit/workouts/migrations/0005_remove_exercisefile_owner.py

backend/secfit/workouts/models.py

backend/secfit/workouts/serializers.py

backend/secfit/workouts/urls.py

backend/secfit/workouts/views.py

frontend/www/exercise.html

frontend/www/scripts/exercise.js