K8s Prometheus Adapter Versions Save

[ENHANCEMENT] bump to klog/v2 #328

[CHANGE] Serve openapi spec #317 [CHANGE] Set --metrics-max-age default value equal to relist interval #230 [BUGFIX] fix forbidden issue #274 by adding appropriate verbs in cluster role #290 [BUGFIX] Fix NaN not to be cast to int64 #308 [BUGFIX] Use build args to fix building on macos #286 [DOCS] Demonstrate how to use external metrics #302 [DOCS] *: add Kubernetes templates #314

• [CHANGE] *: Update to sigs.k8s.io/metrics-server latest #284

• [CHANGE] add filtering of custom metrics according to labels provided https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/247
• [CHANGE] bump to k8s 1.14, remove glog in favor of klog https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/190
• [CHANGE] move to go modules https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/212 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/213
• [CHANGE] move to Go 1.13 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/269
• [BUGFIX] fixed LabelValuesByName rendering https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/192
• [BUGFIX] set metric name for scalar values of external metrics https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/196
• [BUGFIX] respect namespace for external metrics https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/197
• [ENHANCEMENT] documentation enhancements https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/204 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/193 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/161 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/207 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/214 https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/258
• [ENHANCEMENT] remove hardcoded amd64 arch https://github.com/DirectXMan12/k8s-prometheus-adapter/pull/220

• Add external metrics support. #146
• Fix namespaced resources for nodes and persistent volumes. #179
• Makefile to add cross build support for s390x. #158

• Fix falsely returned error on empty list of pods or nodes in the resource metrics API provider. #148

• Support custom CA certificate when communicating with Prometheus

• [FEATURE] Add support for resource metrics API metrics.k8s.io/v1beta1 (#106)
• [BUGFIX] Update deps to Kube 1.11.3 to fix request header auth with normal client auth (#110)

This release reduces the amount of logspam by moving commonly ignorable "error" messages about label association from the ERROR verbosity level to a high-level INFO log.

This is a release to trigger Travis to tag new images after fixing a CI issue. It's otherwise identical to v0.2.0.