Service Fabric Version 6.4 CU5 refresh release

The latest refresh release for Service Fabric version 6.4 contains several bug fixes and improvements. See Service Fabric team [blog](https://blogs.msdn.microsoft.com/azureservicefabric/2019/04/08/azure-service-fabric-6-4-refresh-release-5/) for details. For future updates, watch the [Service Fabric Team blog](https://blogs.msdn.microsoft.com/azureservicefabric/) for detailed release notes when the release is made available. * Service Fabric * Features * [ Service Fabric](https://azure.microsoft.com/en-gb/products/service-fabric/)