Operator creates invalid job names (too long)
Summary
On the current stable branch, the job names being created are too long. We need to implement a safe truncation function, hopefully using an existing function in the apimachinery or controller runtime.
Error: Job.batch "review-1-5-stable-zlv621.shared-secrets.v11.7.0-rc5.20190111184606" is invalid: spec.template.labels: Invalid value: "review-1-5-stable-zlv621.shared-secrets.v11.7.0-rc5.20190111184606": must be no more than 63 characters