Author info tooltip card is broken

![author-card-broken](https://user-images.githubusercontent.com/7910250/56697900-ec801f00-66a4-11e9-9ec1-a8381beb8f86.gif)

womp womp 😞 

Expected: A card should show up on hover that shows information about the user, much like the card that shows information for the PR# being hovered over

On master at 4ef8aacec