Automatic merge from submit-queue
Change kubectl create to use dynamic client
https://github.com/kubernetes/kubernetes/issues/16764https://github.com/kubernetes/kubernetes/issues/3955
This is a series of changes to allow kubectl create to use discovery-based REST mapping and dynamic clients.
cc @kubernetes/sig-api-machinery
**Release note**:
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```release-note
kubectl will no longer do client-side defaulting on create and replace.
```
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