Additional parameter to specify arttifact type

GET Individual VNF Package Artifact in octet stream format uses ${artifactPath} for all contents, request to add additional parameter to indicate content type as text or binary (application/octet-stream).

Current variables are defined in: api-tests/SOL003/VNFPackageManagement-API/environment/vnfPackageArtifacts.txt

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information