fixed issues #90 and #190 in 2.8.1

SOL002/VNFConfiguration-API/Configuration.robot

SOL002/VNFFaultManagement-API/Alarms.robot

...NFFaultManagement-API/EscalatePerceivedSeverityTask.robot

SOL002/VNFFaultManagement-API/IndividualAlarm.robot

SOL002/VNFFaultManagement-API/IndividualSubscription.robot

SOL002/VNFFaultManagement-API/Subscriptions.robot

SOL002/VNFIndicator-API/IndividualSubscription.robot

SOL002/VNFIndicator-API/IndividualVNFindicator.robot

SOL002/VNFIndicator-API/Subscriptions.robot

SOL002/VNFIndicator-API/VNFIndicators.robot

SOL002/VNFIndicator-API/VnfIndicatorsInVnfInstanceId.robot

.../VNFLifecycleManagement-API/VnfLcmOperationKeywords.robot

SOL002/VNFPerformanceManagement-API/IndividualPmJob.robot

SOL002/VNFPerformanceManagement-API/IndividualReport.robot

...02/VNFPerformanceManagement-API/IndividualThreshold.robot

SOL002/VNFPerformanceManagement-API/PMJobs.robot

SOL002/VNFPerformanceManagement-API/Thresholds.robot

...anceManagement-API/VNFPerformanceManagementKeywords.robot

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

SOL003/VNFIndicator-API/VNFIndicatorsKeywords.robot