Merge branch 'master' into sketch-e2e-tests-update-client

charts/postgres-operator/templates/clusterrole.yaml

docs/quickstart.md

manifests/clusterrole.yaml

pkg/apis/acid.zalan.do/v1/const.go

pkg/apis/acid.zalan.do/v1/marshal.go

pkg/apis/acid.zalan.do/v1/postgresql_type.go

pkg/apis/acid.zalan.do/v1/util.go

pkg/apis/acid.zalan.do/v1/util_test.go

pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go

pkg/cluster/cluster.go

pkg/cluster/cluster_test.go

pkg/cluster/sync.go

pkg/controller/util_test.go

pkg/util/k8sutil/k8sutil.go