Adding boolean parameter to DeleteRole based on which the disk will be deleted or retained - as per review comment on this pull request - https://github.com/Azure/azure-sdk-for-go/pull/237
Adding boolean parameter to DeleteRole based on which the disk will be deleted or retained - as per review comment on this pull request - https://github.com/Azure/azure-sdk-for-go/pull/237

garimakhulbe/azure-sdk-for-go,Azure/azure-sdk-for-go,lirao/azure-sdk-for-go,Azure/azure-sdk-for-go,marstr/azure-sdk-for-go,colemickens/azure-sdk-for-go,Azure/azure-sdk-for-go,stubey/azure-sdk-for-go,stubey/azure-sdk-for-go,lirao/azure-sdk-for-go,Azure/azure-sdk-for-go,curoverse/azure-sdk-for-go,marstr/azure-sdk-for-go,curoverse/azure-sdk-for-go,marstr/azure-sdk-for-go