Path::IsDev::Heuristic::Tool::Dzil(3pm) on Linux

The text 2db1a1445b6a, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.

Determine if a path is a Dist::Zilla Source tree

Path::IsDev::Heuristic::Tool::Dzil(3pm) on Linux now