Also standardise the import name 'existinginfrav1'

Use cordoning from k8s.io/kubectl

Remove footloose references

Ensure two control-plane nodes remain up while we do an update

Update docs site to new wk logo

Compare node plans via json

There are ugly type differences when we do it using State objects.

Extend version range to include all v1.17.x point releases

Upgrade deps to k8s v1.18.5

Fix typo on plan comparison

Make vfsgen files all have a fixed timestamp

This avoids diffs where only the timestamp has changed.

Upgrade to Go 1.14.4 in the build container

Get multimaster test to use local yum repo

Add source for local-yum-repo image used in tests

Bump the version to one that has current packages.
Remove all references to upstream repos otherwise yum prefers them.

Ignore whitespace when checking if node plan has changed