Another attempt to alphabeticalize
Another attempt to alphabeticalize

Martin is right: "Debian-based" being first is confusing for more
specific Debian-based OSes. Let's try being explicit about the fact that
Ubuntu is further down.

They're intentionally alphabetical so it doesn't seem like we give
higher priority to one over the other.

thoughtbot/rcm,thoughtbot/rcm,thoughtbot/rcm