adding hyperv integration script

hack/jenkins/windows_integration_test_hyperv.ps1

+# Copyright 2019 The Kubernetes Authors All rights reserved.
+#
+# 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.
+
+mkdir -p out
+gsutil.cmd -m cp gs://minikube-builds/$env:MINIKUBE_LOCATION/minikube-windows-amd64.exe out/
+gsutil.cmd -m cp gs://minikube-builds/$env:MINIKUBE_LOCATION/e2e-windows-amd64.exe out/
+gsutil.cmd -m cp -r gs://minikube-builds/$env:MINIKUBE_LOCATION/testdata .
+
+./out/minikube-windows-amd64.exe delete
+
+out/e2e-windows-amd64.exe -minikube-start-args="--vm-driver=hyperv --hyperv-virtual-switch=primary-virtual-switch --bootstrapper=kubeadm" -minikube-args="--v=10 --logtostderr" -binary=out/minikube-windows-amd64.exe -test.v -test.timeout=65m
+$env:result=$lastexitcode
+# If the last exit code was 0->success, x>0->error
+If($env:result -eq 0){$env:status="success"}
+Else {$env:status="failure"}
+
+$env:target_url="https://storage.googleapis.com/minikube-builds/logs/$env:MINIKUBE_LOCATION/Windows-hyperv.txt"
+$json = "{`"state`": `"$env:status`", `"description`": `"Jenkins`", `"target_url`": `"$env:target_url`", `"context`": `"Windows-hyperv`"}"
+Invoke-WebRequest -Uri "https://api.github.com/repos/kubernetes/minikube/statuses/$env:COMMIT`?access_token=$env:access_token" -Body $json -ContentType "application/json" -Method Post -usebasicparsing
+
+Exit $env:result