Azure Batch Service adds MPI and offline node support

Azure Batch Service has added MPI and offline node support.For more information, see our blog post - [Azure Batch Service Update - Dec. 2015](https://blogs.technet.com/b/windowshpc/archive/2016/01/01/azure-batch-service-update-dec-2015.aspx). Azure Batch client library has been updated to [3.0.0](https://www.nuget.org/packages/Azure.Batch/3.0.0) for these new features. * Batch * Features * SDK and Tools * Services * [ Batch](https://azure.microsoft.com/en-gb/services/batch/)