Change kube-proxy & fluentd CPU request to 20m/80m.

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Explicit links needed for PRs and users in github source markdown.

Fix some other formatting:
- Reverse ordered the included releases for 1.2.0 (newest to oldest).
- Use the same Downloads format for all releases so far (in this file).

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Fixed typo.

Corrected log message.

Update guestbook examples; replace RC concepts with Deployment

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Release Notes proposal

Get the conversation started.
cc @eparis @vishh @davidopp @thockin @dchen1107 
Ref #23070

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kubectl: enhance podtemplate describer

@kubernetes/kubectl 

@smarterclayton for the dc decsriber

Fix cluster names to be numeric in upgrade jobs

Decrease verbosity of namespace controller trace logging

Update our GCP metadata dependency to include a recent flakiness improvement

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Update conformance test policy

Addresses #14913

/cc @kubernetes/sig-testing

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rkt: bump rkt version to 1.2.1

Upon bumping the rkt version, `--hostname` is supported. Also we now gets the configs from the rkt api service, so `stage1-image` is deprecated. 

cc @yujuhong @Random-Liu 

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allow kubectl cmds to process files recursively, when given a dir

This PR accomplishes two things:

1. It creates a `--recursive` flag for use with certain `kubectl` commands that _currently_ do not process files beyond their first level of children, as seen in the issue https://github.com/kubernetes/kubernetes/issues/19767
2. It enables the ability to use the `--recursive` flag in the `kubectl` commands that currently _only_ support processing a directory up to its first level of children.

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Make kubelet use an arch-specific pause image depending on GOARCH

Related to: #22876, #22683 and #15140
@ixdy @pwittrock @brendandburns @mikedanese @yujuhong @thockin @zmerlynn 

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node e2e conformance keep polling if encounters errors

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Create a new Deployment in kube-system for every version.

It appears that version numbers have already been properly added to these files. Small change to delete an old deployment entirely, so we can make a new one per version (like replication controllers).

We'll want to change this back once the kube-addons support deployments in a later version.

Fix some other formatting:
- Reverse ordered the included releases for 1.2.0 (newest to oldest).
- Use the same Downloads format for all releases so far (in this file).

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Update CHANGELOG.md with v1.3.0-alpha.1 release.

cc @thockin @dchen1107 @davidopp @lavalamp 

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Honor incoming OUT_DIR from the Makefile.

Run node test jobs every 30 minutes instead of daily.  This is critical for the kubelet e2e as it is a merge queue blocker.

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Logo files with border and rendered name

Labelling this PR as size/L

Run node test jobs every 30 minutes instead of daily.  This is critical for the kubelet e2e as it is a merge queue blocker.

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Add GeneratePodHostNameAndDomain() to RuntimeHelper to
get the hostname of the pod from kubelet.

Also update the logging flag to change the journal match from
_HOSTNAME to _MACHINE_ID.

Update docs to reflect `kubectl run` creates deployments by default i…