[CORD-2054] Adding vspgwu service

Change-Id: I73311e83656d0a7c98cb9c967862232d60f5ad91
tree: 3472c9369b43dff2f568343494b84f4610738f2a
  1. .gitreview
  2. Jenkinsfile
  3. default.xml
  4. manifest.dtd
  5. validate_manifest.sh