Changes

Summary

1. updated SOL003 version in VNF Package documentation Reference field (details)
2. implemented deltas for SOL003 VNF Pckg v2.8.1 (details)
3. added tests for nextpage_opaque_marker SOL003 VNFPckg (details)

Commit a7347314cbe4b15589f8e81b24d480a4decf523b by bernini updated SOL003 version in VNF Package documentation Reference field
	SOL003/VNFPackageManagement-API/ManifestInIndividualVNFPackage.robot
	SOL003/VNFPackageManagement-API/ApiVersion.robot
	SOL003/VNFPackageManagement-API/IndividualVNFPackage.robot
	SOL003/VNFPackageManagement-API/Notifications.robot
	SOL003/VNFPackageManagement-API/IndividualVNFPackageArtifacts.robot
	SOL003/VNFPackageManagement-API/VNFDInIndividualVNFPackage.robot
	SOL003/VNFPackageManagement-API/VNFPackages.robot
	SOL003/VNFPackageManagement-API/Subscriptions.robot
	SOL003/VNFPackageManagement-API/VNFPackageContent.robot
	SOL003/VNFPackageManagement-API/descriptors/SOL001/VNFD/vnfd_SOL001.yaml
	SOL003/VNFPackageManagement-API/NotificationEndpoint.robot
	SOL003/VNFPackageManagement-API/IndividualSubscription.robot
	SOL003/VNFPackageManagement-API/VNFPackageArtifacts.robot
Commit f9c00493abad6388dbfb145c88375820d30d7878 by bernini implemented deltas for SOL003 VNF Pckg v2.8.1
	SOL003/VNFPackageManagement-API/VNFPackageArtifacts.robot
	SOL003/VNFPackageManagement-API/VNFPackageManagementKeywords.robot
	SOL003/VNFPackageManagement-API/schemas/vnfPkgInfo.schema.json
	SOL003/VNFPackageManagement-API/schemas/vnfPkgsInfo.schema.json
Commit 1c6d1338eac7488235ab92fb8e80a1552c6ee104 by bernini added tests for nextpage_opaque_marker SOL003 VNFPckg
	SOL003/VNFPackageManagement-API/Subscriptions.robot
	SOL003/VNFPackageManagement-API/VNFPackages.robot
	SOL003/VNFPackageManagement-API/environment/variables.txt
	SOL003/VNFPackageManagement-API/VNFPackageManagementKeywords.robot