Jason Bristol

Resolve invalid reference for avatar url

1

After creating your pull request, tick these boxes if they are applicable to you. - [x] I have tested my changes against the `review` branch (the latest developmental version), and...

Remove deprecated life cycle methods (move towards functional components)

5

Currently deprecated lifecycle hooks will be [removed in react 17](https://reactjs.org/docs/react-component.html#unsafe_componentwillmount). PR #27 adds the `UNSAFE_` tag to remove warnings, but we should consider converting to functional components for react 17.