Instead of hard coding kube-cert and /srv/kubernetes allow these to be
overwritten by environment variables.  / is immutable on some systems
and so /srv is not a possible location to store data.

make testclient more precise

verify and default APIVersion in createHandler, verify APIVersion in UpdateResource

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Fix a mis-undersanding about the github API, add more tests

NodeController small cleanup

Fix split issues in overwrites in cmd/gendeepcopy

Retry uploading/publishing CI builds to work around gsutil bug

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direct people to api-reference/definitions.html to find out if a field is mutable through kubectl replace/patch

Fix a small bug in contrib/submit-queue, add a unit test.

Added exporting autoscaling metrics in Heapster config

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The function validate/default the body with the passed in apiVersion and Kind.
It's called in createHandler and UpdateResource

Validate LGTM is newer than last pushed date.

Fix minor typo that broke yaml format

improve the error message of update/patch pod

Propagate FLANNEL_NET to reconfDocker.sh