Retry downloading binary tars in case of unpack failure

Re-enabled load e2e test for Jenkins scalability suite

Also increased next pod startup waiting time from 100s to 200s
to eliminate flakiness by incresing failCount param.

Use watch-based cache in density e2e tests.

coreos/azure: Version bump and doc update

Added note about AWS env variable to specify location of private key

Fix kubectl run broken at HEAD

docs: markdown and simple fixes

e2e: Specify RestartPolicy=Never in empty_dir test

Refactored kube-push.sh script

GCE kube-down.sh error fixes

Fix cluster monitoring setup config.

Soak ns 2

Contrib/git sync

aws: fix cluster monitoring (new option "influxdb" instead of "true")

The script allows also to push binaries only to the master or specified node.
Added support for released tars.

Introduced new push methods and implemented them for GCE.

let the contrib/git-sync use a for-loop, rather than relying on the pod's restart policy, to periodically pull from the repo

Clarify simple nginx example doc.