cli: manifest set: Use project standard YAML marshalling.
cli: manifest set: Use project standard YAML marshalling.

- Corresponds with last commit 340b6b4a9dd7b2f20093190f7bd5f49853a2d2a4

opentable/sous,samsalisbury/sous,samsalisbury/sous,samsalisbury/sous,samsalisbury/sous,opentable/sous,samsalisbury/sous,opentable/sous,opentable/sous,opentable/sous