updated authorization header and token use in SOL002ù v2.7.1

SOL002/VNFConfiguration-API/ApiVersion.robot

SOL002/VNFConfiguration-API/Configuration.robot

SOL002/VNFConfiguration-API/environment/variables.txt

SOL002/VNFFaultManagement-API/Alarms.robot

SOL002/VNFFaultManagement-API/ApiVersion.robot

...NFFaultManagement-API/EscalatePerceivedSeverityTask.robot

SOL002/VNFFaultManagement-API/IndividualAlarm.robot

SOL002/VNFFaultManagement-API/IndividualSubscription.robot

SOL002/VNFFaultManagement-API/NotificationConsumer.robot

SOL002/VNFFaultManagement-API/Subscriptions.robot

SOL002/VNFFaultManagement-API/environment/variables.txt

SOL002/VNFIndicator-API/ApiVersion.robot

SOL002/VNFIndicator-API/IndividualSubscription.robot

SOL002/VNFIndicator-API/IndividualVNFindicator.robot

SOL002/VNFIndicator-API/NoificationConsumer.robot

SOL002/VNFIndicator-API/Subscriptions.robot

SOL002/VNFIndicator-API/VNFIndicators.robot

SOL002/VNFIndicator-API/VnfIndicatorsInVnfInstanceId.robot

SOL002/VNFIndicator-API/environment/variables.txt

SOL002/VNFLifecycleManagement-API/ApiVersion.robot