Util to test if all ptr fields are nil

Address some comments from erictune.

Integration test scaffolding fixes

Escape stdout/stderr YAML-like elements for TAP output

Add an example of running Cloud Native Cassandra on k8s.

Typo fix in docs/volumes.md

Fixes https://github.com/GoogleCloudPlatform/kubernetes/issues/3094

The default --v=10 might be reconsidered.

Without this, the sync loop runs continuously.  IMO: This right here is
why open structs are inferior to explicity constructors that take 75
arguments - you can't forget to pass an argument.

Fix local-docker KUBERNETES_MASTER

Don't use pointers for session affinity

Minor cleanups to request - fix initialism on HTTPClientFunc

Default behavior for "" is already "everything"

Add a util/mount pkg

Introduce Resource/ResourceName/Prefix/Suffix options to RESTClient

Remove duplicate volumes type.

Update doc volumes.md to make sure mount point is created before mountin...

Modify "kubectl get events" to print FieldPath so BoundPod events for the same pod but different containers can be differentiated

Modify "kubectl get events" to print FieldPath so BoundPod events for the same Pod but different containers can be differentiated

Propagate syncPod error as event to upper layer.

Add missign network flag