Move "-s -w" flags to GOLDFLAGS as an overridable default.

Update klog to 0.3.0

[e2e] Refactor of e2e/framework/authorizer_util.go

Fix potential test flakes in HPA tests TestEventNotCreated and TestAvoidUncessaryUpdates

Fix typo, old link for contributors

Signed-off-by: Vince Prignano <vincepri@vmware.com>

Expect directory permissions to be 0700

Signed-off-by: PingWang <wang.ping5@zte.com.cn>

update the permissions to 0660
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

revert to 0750
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

update 0750 to 0700
Signed-off-by: PingWang <wang.ping5@zte.com.cn>

Using const() defines constants together

Add operation name for other volume operations

Use constant blocks to define constants in pkg/kubectl

Remove deprecated centos/local support

Fix Azure SLB support for multiple backend pools

Pin GCE Windows node image to 1809 v20190312.

Fix a log info error

Azure VM and vmssVM support multiple backend pools for the same SLB, but
not for different LBs.

If GOLDFLAGS is set, whether it is empty or not, we should honor it.
Only if the GOLDFLAGS is totally not set, then we use "-s -w"

See Parameter Expansion section in the urls below:

https://stackoverflow.com/questions/3601515/how-to-check-if-a-variable-is-set-in-bash/16753536
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02

Change-Id: I826c34efc63c77f0e3e9677fff30a3eb2219a377

API reviewers for SIG Storage

Removed unused code in humanreadable.go

Add feature gates for switching between the legacy inflight limiting

 - moves these helper functions into e2e/framework/auth
 - removes logging from helper functions
 - in some cases explicitly returns errors that were implicitly
ignored/logged. In the situations where they should be ignored,
we explicitly check that the condition is met before ignoring it.
 - fixes references of these methods to use the right package and
return values

Warn to stderr when we encounter PathError listing plugins

Make Serializer.options private and immutable + improve godoc

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

This is to work around
https://github.com/kubernetes/kubernetes/issues/76666.

Change-Id: I4a451ec0125c05e66202daf781a4e5a1d895efb4

Also, re-work the code so that the lock is never held while writing to the chan