
Automatic merge from submit-queue ScheduledJob client @erictune SheduledJob part 2, based on #24970 so first two commits doesn't count. This is still WIP, but it's here so you know :) ```release-note Introducing ScheduledJobs as described in [the proposal](https://github.com/kubernetes/kubernetes/blob/master/docs/proposals/scheduledjob.md) as part of `batch/v2alpha1` version (experimental feature). ``` []()