Adjust manifests to reference upstream build jobs

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Update XENVBD

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
[CP-6209] Add lite-agent to xeniface installer

Signed-off-by: Ben Chalmers <Ben.Chalmers@citrix.com>
[CP-6209] Update manifest latest to point to upstream guest agent
Merge pull request #20 from benchalmers/upstream-cp-6209

Add the lite-guest agent to xeniface installation, and use an upstream version of the guest agent in latest