Always show a run on sign-off view, if we have on on the last tree.
Always show a run on sign-off view, if we have on on the last tree.

If a appversion isn't worked on in the past 10 pushes, there's
no compare-locales run shown. Let's find the last compare-locales
run on the last tree for this appver, and only show 10
pushes if that's fewer.

Pike/elmo,Pike/elmo,Pike/elmo,mozilla/elmo,mozilla/elmo,Pike/elmo,mozilla/elmo,mozilla/elmo