backend/azurerm: adding support for azuread authentication
backend/azurerm: adding support for azuread authentication

apparentlymart/terraform,tommynsong/terraform,tommynsong/terraform,tommynsong/terraform,ewbankkit/terraform,apparentlymart/terraform,apparentlymart/terraform,apparentlymart/terraform,ewbankkit/terraform,ewbankkit/terraform,apparentlymart/terraform,hashicorp/terraform,rnaveiras/terraform,ewbankkit/terraform,hashicorp/terraform,rnaveiras/terraform,rnaveiras/terraform,hashicorp/terraform