Gradle

- Specify repositories last

Later changing from no result to having a result is awkward for listeners to deal with.

So, always use a result type and just have it be empty if there is nothing to convey right now.

There always might be something to convey in the future.

This task is only supposed to run when an external module changes,

since that is the only kind of module it touches. However, the inputs

of the task were set up such that it would also be triggered by any

change to a core module. This made `gradle install` after a simple

one-line change take unnecessarily long.

We need to revisit which exclusions can be make sense.

- Add logFile path to assertion

- Add line that we failed to parse

Until we upgrade our wrappers with a new distro