upgrade cmd to cobra

[calvin0327]

Signed-off-by: calvin wen.chen@daocloud.io

/kind feature

upgrade our cmd to cobra.

• add --verion --kubeconfig and more ElectionLease options.
• replace log to klog

[panpan0000]

Why do we need ElectionLease ?

[calvin0327]

Why do we need ElectionLease ?

If we are prepare to add mutils operator replicas to ensure high availability, wo need support elections feature.
We used to support it, just not very elegant.

[panpan0000]

are those all necessary for cobra?

[calvin0327]

@panpan0000 We did not have a vendor directory before, but cloudtty has more and more features, so it is necessary to add a vendor directory