[Evan Huus <eapache@xxxxxxxxx>]

Been poking around how other projects use Gerrit and discovered that
openstack has a cron job which automatically expires old reviews [1].

Seems like it might be a good idea, and doesn't sound too hard to do.
Abandoned/expired reviews can easily be reopened.

Thoughts?
Evan

[1] http://ci.openstack.org/gerrit.html#auto-review-expiry