Merge branch '2020-07-15-ci-updates'
- Make sure GRUB is copied to the right place for CI on Travis/Azure - Correct the "guestfstools failed try sudo" logic in our fs tests. - Note in our GitHub PR template that you can use this to trigger Azure CI
- Make sure GRUB is copied to the right place for CI on Travis/Azure - Correct the "guestfstools failed try sudo" logic in our fs tests. - Note in our GitHub PR template that you can use this to trigger Azure CI