Automatic merge from submit-queue (batch tested with PRs 64034, 64072, 64146, 64059, 64161). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

add kubectl wait

Adds a `kubectl wait --for=[delete|condition=condition-name] resource/string` command.  This allows generic waiting on well behaved conditions and for a resource or set of resources to be deleted.

This was requested for delete to do foreground deletion

WIP because I need to add test cases.


@kubernetes/sig-cli-maintainers this is using a separation of concerns made possible by the genericclioptions to make an easily unit testable command.
@smarterclayton 

```release-note
adds a kubectl wait command
```