updated authorization header and token use in SOL003 v2.7.1

SOL003/VNFFaultManagement-API/ApiVersion.robot

...3/VNFFaultManagement-API/FaultManagement-APIKeyword.robot

SOL003/VNFFaultManagement-API/NotificationConsumer.robot

SOL003/VNFFaultManagement-API/environment/variables.txt

SOL003/VNFIndicator-API/ApiVersion.robot

SOL003/VNFIndicator-API/NotificationConsumer.robot

SOL003/VNFIndicator-API/VNFIndicatorsKeywords.robot

SOL003/VNFIndicator-API/environment/variables.txt

SOL003/VNFLifecycleManagement-API/ApiVersion.robot

.../VNFLifecycleManagement-API/CancelOperationWorkflow.robot

...03/VNFLifecycleManagement-API/FailOperationWorkflow.robot

...03/VNFLifecycleManagement-API/IndividualVNFInstance.robot

...FLifecycleManagement-API/InstantiateVNFTaskWorkflow.robot

SOL003/VNFLifecycleManagement-API/NotificationConsumer.robot

SOL003/VNFLifecycleManagement-API/OperateVNFTask.robot

SOL003/VNFLifecycleManagement-API/RetryOperationTask.robot

...3/VNFLifecycleManagement-API/RetryOperationWorkflow.robot

...NFLifecycleManagement-API/RollBackOperationWorkflow.robot

...03/VNFLifecycleManagement-API/RollbackOperationTask.robot

SOL003/VNFLifecycleManagement-API/ScaleVNFTask.robot