fixed VNFD parsing in SOL003 APIs

...FLifecycleManagement-API/VnfLcmMntOperationKeywords.robot

...leManagement-API/descriptors/SOL001/VNFD/vnfd_SOL001.yaml

SOL003/VNFLifecycleManagement-API/environment/variables.txt

SOL003/VNFLifecycleOperationGranting-API/Grants.robot

...3/VNFLifecycleOperationGranting-API/IndividualGrant.robot

...nGranting-API/VNFLifecycleOperationGrantingKeywords.robot

...tionGranting-API/descriptors/SOL001/VNFD/vnfd_SOL001.yaml

...FPackageManagement-API/VNFPackageManagementKeywords.robot

...geManagement-API/descriptors/SOL001/VNFD/vnfd_SOL001.yaml

SOL003/VNFPackageManagement-API/environment/variables.txt