Rename TablePrinter interface to TableGenerator

Remove Ingress-GCE test that verifies backend health check is not reconciled

Add ipv6 support to the e2e healthz test

github.com/onsi/ginkgo v1.6.0

Enable conformance requirement check

Fix shellcheck failures of hack/update-generated-kms-dockerized.sh and hack/update-generated-protobuf-dockerized.sh

Move ExecMount to pkg/volume/util/exec

Fix golint failures of test/e2e/apps

update to csi e2es to use official images

Add more nil checks to metav1.Time and MicroTime

Fix comments about node health monitor

Fix shellcheck lint errors in test/images/* scripts

Removes test-only skipTabWriter from HumanReadablePrinter

Replace false with "exit 1" under hack/

Add SIG Scheduling API reviewers to OWNERS_ALIASES

Use consistent imageRef during container startup

proxy/userspace: add dcbw and danwinship to OWNERS approvers

proxy/userspace: respect minSyncInterval

Updates OWNERS files and OWNERS_ALIASES for SIG Apps 

Update winkernel owners file

Small bug: Comments and function names do not match

Remove unused lock in scheduler

Limit the read length of ioutil.ReadAll in `pkg/credentialprovider` 

[kubeadm] clean up command description information for consistency and readability

Output missing cert or key name in DownloadCerts

[e2e] decouple the aggregated clientset from the e2e testing framework

Use IP addresses to test external connectivity

Remove and replace ptr functions

Some scripts contained `false` for returning 1 to callers instead of
`exit 1` and that works like:

  $ false
  $ echo $?
  1
  $

But that made confusion in a PR review process.
So this replaces `false` with `exit 1` for long-term maintenance.

Signed-off-by: Haiyan Meng <haiyanmeng@google.com>

add heartbeat inside watch

clean up unused code in scheduler

and approvers more clear