Add Precision Graph Output.
Overwrite Serializers and start POST requests for Analyses creation.
POST request to back-end works now.
Creation of new analyses.
Change default files location.
Add analysis model and serializers folder.
Add SKLearn Metrics to TestOutput model.
Merge pull request #6 from shuyangli/iheanyi-dev

Just loads of progress, to be honest. Hard to keep track of all my changes.