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Add a development guide for measuring performance of node components.
The purpose of this guide is threefold:

1. Document the nuances of measuring kubelet performance so we don't
forget or need to reinvent the wheel.
2. Make it easier for new contributors to analyze performance.
3. Share tips and tricks that current team members might not be aware
of.

Client gen file lowercase

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Fix container restarts caused by kubelet restarts

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There has been a recent regression causing kubelet to assume no containers are
running for the pod if kubelet has not seen the pod before. This would cause
all containers to be restarted after kubelet gets restarted. This change fixes
the bug.

Update aws-sdk-go to v1.0.x

Before this change the link checker would ignore errors in a file if
the last link in a file was correct. The last link would wipe out the
error variable and set it to nil. Furthermore, it replaced errored
links with the empty string.

If we find an error that we can't correct, append the error message to
an an errs slice and leave the string as is.
Signed-off-by: Mike Danese <mikedanese@google.com>

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Fix generated docs

Add a proposal for simpler cluster deployment

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