Add golint verification

Fixes: kubernetes-sigs#83

hack/verify-all.sh

@@ -20,3 +20,4 @@ PKG_ROOT=$(git rev-parse --show-toplevel)
 
 ${PKG_ROOT}/hack/verify-gofmt
 ${PKG_ROOT}/hack/verify-govet
+${PKG_ROOT}/hack/verify-golint

hack/verify-golint

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -euo pipefail
+
+if ! which golangci-lint > /dev/null; then
+    echo 'Cannot find golangci-lint. Installing golangci-lint...'
+    go get -v github.com/golangci/golangci-lint/cmd/golangci-lint
+fi
+
+golangci-lint run --deadline=10m 
+
+echo "Congratulations! All Go source files have been linted.'
+