Code review comment for lp:~jimmiebtlr/juju-core/fix-no-peers-charms

LGTM apart from the serialisation change. What prompted that?

https://codereview.appspot.com/101810046/diff/1/charm/meta.go
File charm/meta.go (right):

https://codereview.appspot.com/101810046/diff/1/charm/meta.go#newcode101
charm/meta.go:101: Peers map[string]Relation
why did these change?

https://codereview.appspot.com/101810046/