updated JSONs and schemas according to deltas

...cycleManagement-API/jsons/changeCurrentVnfPkgRequest.json

...Management-API/jsons/changeExtVnfConnectivityRequest.json

...02/VNFLifecycleManagement-API/jsons/createVnfRequest.json

SOL002/VNFLifecycleManagement-API/jsons/healVnfRequest.json

...FLifecycleManagement-API/jsons/instantiateVnfRequest.json

...2/VNFLifecycleManagement-API/jsons/operateVnfRequest.json

...VNFLifecycleManagement-API/jsons/terminateVnfRequest.json

...schemas/VnfLcmOperationOccurrenceNotification.schema.json

...FLifecycleManagement-API/schemas/subscription.schema.json

...LifecycleManagement-API/schemas/subscriptions.schema.json

...NFLifecycleManagement-API/schemas/vnfInstance.schema.json

...FLifecycleManagement-API/schemas/vnfInstances.schema.json

...NFLifecycleManagement-API/schemas/vnfLcmOpOcc.schema.json

...FLifecycleManagement-API/schemas/vnfLcmOpOccs.schema.json