Path parameter "repositorySlug" value must not be null

[johnjohndoe]

How to reproduce

1. Install the app. Don't login.

2. Open a Travis CI notification email (Successful or failure build)

3. Tap the top most link pointing to your repository, e.g. dkhmelenko/Varis-Android

   https://travis-ci.org/dkhmelenko/Varis-Android?utm_source=email&utm_medium=notification

4. From the bottom the apps dialog slides up and offers (Varis-Android-Icon) Open with Build details. Tap Just once

5. An empty Build details screen opens. A Toast message shows:

   Failed to load build details: Path parameter "repositorySlug" value must not be null.