feature: run tests at least once a week
feature: run tests at least once a week

* we don't need to run the tests every Monday morning. All we want is
for the tests to run at least once a week. If they had already run, we
don't need to rerun them. And we also don't care that it's on Monday.

cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release