Most of these could have been refactored automatically but it wouldn't
have been uglier. The unsophisticated tooling left lots of unnecessary
struct -> pointer -> struct transitions.
- Add a new preflight check for upgrade that runs the pause container
with -v in a Job.
- Wait for the Job to complete and return an error after N seconds.
- Manually clean the Job because we don't have the TTL controller
enabled in kubeadm yet (it's still alpha).
Added new alpha command to pivot to self hosted
Removed slelfhosting upgrade ability
Added warning message to self hosted pivot
added certs in secrets flag to new selfhosting comand
