Created config and test files for Azure Kubernetes Service (AKS). (#733)

* First draft of AKS configuration checks.

* Updated Azure Configurations. Added more policy checks.

* Finalized cfg components for AKS.

* Fixed targets for aks-1.0 in common_test.go

* Fixed yaml linting issues.

* Fixed white space yaml linkting issues in policies.yaml

* Fixed white space yaml linting issues in policies.yaml