add metadatas to maas Plugin (#604)
add metadatas to maas Plugin (#604)

Signed-off-by: Yuji Oshima <28046d1ea77bb02ca920f5de46caf418b9da190b@gmail.com>
chungers/infrakit,docker/infrakit,FrenchBen/infrakit,thebsdbox/infrakit,kaufers/infrakit,craigyam/infrakit,chungers/infrakit,kaufers/infrakit,thebsdbox/infrakit,craigyam/infrakit,docker/infrakit,chungers/infrakit,docker/infrakit,FrenchBen/infrakit,FrenchBen/infrakit,thebsdbox/infrakit,craigyam/infrakit,kaufers/infrakit