[AKS] add nodeResourceGroup property

[mboersma]

nodeResourceGroup is an optional read-only property returned for a managed cluster by the v20180331 API.

PR information

• The title of the PR is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For information on cleaning up the commits in your pull request, see this page.
• Except for special cases involving multiple contributors, the PR is started from a fork of the main repository, not a branch.
• If applicable, the PR references the bug/issue that it fixes.
• Swagger files are correctly named (e.g. the api-version in the path should match the api-version in the spec).

Quality of Swagger

• I have read the contribution guidelines.
• My spec meets the review criteria:
  • The spec conforms to the Swagger 2.0 specification.
  • The spec follows the guidelines described in the Swagger checklist document.
  • Validation tools were run on swagger spec(s) and have all been fixed in this PR.

[AutorestCI]

Automation for azure-sdk-for-python

The initial PR has been merged into your service PR:
Azure/azure-sdk-for-python#2708

[dsgouda]

LGTM

[AutorestCI]

Automation for azure-sdk-for-go

Encountered a Subprocess error: (azure-sdk-for-go)

Command: ['/usr/local/bin/autorest', '/tmp/tmp_7_c18cf/rest/specification/containerservices/resource-manager/readme.md', '--go', '--go-sdk-folder=/tmp/tmp_7_c18cf/src/github.com/Azure/azure-sdk-for-go', '--multiapi', '--use=@microsoft.azure/autorest.go@~2.1.100', '--use-onever', '--verbose']
Finished with return code 1
and output:

AutoRest code generation utility [version: 2.0.4262; node: v7.10.1]
(C) 2018 Microsoft Corporation.
https://aka.ms/autorest
   Loading AutoRest core      '/root/.autorest/@microsoft.azure_autorest-core@2.0.4278/node_modules/@microsoft.azure/autorest-core/dist' (2.0.4278)
   Loading AutoRest extension '@microsoft.azure/autorest.go' (~2.1.100->2.1.100)
   Loading AutoRest extension '@microsoft.azure/autorest.modeler' (2.3.38->2.3.38)
Processing batch task - {"tag":"package-2017-09"} .
FATAL: swagger-document/compose - FAILED
FATAL: Error: '$.definitions.ContainerServiceVnetSubnetID.description' has incompatible values (---
VNet SubnetID specifies the vnet's subnet identifier.
, ---
  -
  VNet SubnetID specifies the vnet's subnet identifier. If you specify either
  master VNet Subnet, or agent VNet Subnet, you need to specify both. And they
  have to be in the same VNet.
).
Process() cancelled due to exception : '$.definitions.ContainerServiceVnetSubnetID.description' has incompatible values (---
VNet SubnetID specifies the vnet's subnet identifier.
, ---
  -
  VNet SubnetID specifies the vnet's subnet identifier. If you specify either
  master VNet Subnet, or agent VNet Subnet, you need to specify both. And they
  have to be in the same VNet.
).
Failure during batch task - {"tag":"package-2017-09"} -- Error: '$.definitions.ContainerServiceVnetSubnetID.description' has incompatible values (---
VNet SubnetID specifies the vnet's subnet identifier.
, ---
  -
  VNet SubnetID specifies the vnet's subnet identifier. If you specify either
  master VNet Subnet, or agent VNet Subnet, you need to specify both. And they
  have to be in the same VNet.
)..
  Error: '$.definitions.ContainerServiceVnetSubnetID.description' has incompatible values (---
VNet SubnetID specifies the vnet's subnet identifier.
, ---
  -
  VNet SubnetID specifies the vnet's subnet identifier. If you specify either
  master VNet Subnet, or agent VNet Subnet, you need to specify both. And they
  have to be in the same VNet.
).

[AutorestCI]

Automation for azure-libraries-for-java

A PR has been created for you based on this PR content.

Once this PR will be merged, content will be added to your service PR:
AutorestCI/azure-libraries-for-java#174

[AutorestCI]

Automation for azure-sdk-for-node

A PR has been created for you based on this PR content.

Once this PR will be merged, content will be added to your service PR:
Azure/azure-sdk-for-node#2848

[AutorestCI]

Automation for azure-sdk-for-ruby

Nothing to generate for azure-sdk-for-ruby