* validation config is now part of airshipctl api
* additional CRD locations can be only kustomize entrypoints
* changed mechanism to call document-validation executor to allow
to pass validation config from phase or plan
* kubeval version pinned to the latest 0.16.1
* default k8s version to validate against uplifted to 1.18.6
* default URL with k8s schemas changed to more updated and reliable
Change-Id: Ifb24be224d5f0860d323a671b94e28a86debc65b
Signed-off-by: Ruslan Aliev <raliev@mirantis.com>
Closes: #563