add support to store all the artifacts into locally

. deal with VFs and store all the artifacts locally
. store all artifacts under artifact_list
. store vfmodule-meta.json file into /data/"VfModuleModelCustomizationUUID"
. store the service info to service-meta.json file
. add subplug invoke flow too

Change-Id: Idca012955c704ed312ae81aa87b35e22af0a4c89
Issue-ID: MULTICLOUD-513
Signed-off-by: liboNet <libo.zhu@intel.com>
1 file changed