Changing rethinkdb example to use v1

Change update-demo example to use v1

Fix DNS example due to default DNS domain rename

Also deleting a .DS_Store file.

rotate docker log

Make it clear which part should be supplied by the user.

Clarify a few things in Cassandra example.

remove useless glog.Infof

Add liveness checks to the controller-manager and scheduler.

Make check err testable

Document why we use 'tr -d' instead of 'base64 w0'

Upgrade examples/guestbook to v1

Fixing Cassandra example.

Update to kubectl exec.

Fix to gcr.io links

Add a test that verifies pods with resource limits schedule.

Added explanation about firewall and external IP to nginx example.

switch to generateName for namespace creation

Etcd log mount

Clarify where DNS resolution works.

Revert "Make error msg for updating resource version more clear"

refactor createAPIServerClient for easier integration with 3rd party …

Document that leading dots allowed in secret names

Make error msg for updating resource version more clear

update examples/kubectl-container to v1

Release 0.19.0

fix auth in gce/upgrade.sh

Print latency metrics before the density test