Code review comment for lp:~niemeyer/juju-core/schema-field-map-defaults

Reviewers: mp+115863_code.launchpad.net,

Message:
Please take a look.

Description:
schema: support defaults in FieldMap

https://code.launchpad.net/~niemeyer/juju-core/schema-field-map-defaults/+merge/115863

Requires:
https://code.launchpad.net/~niemeyer/juju-core/schema-string-map/+merge/115849

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/6419056/

Affected files:
   A [revision details]
   M charm/config.go
   M charm/meta.go
   M environs/config/config.go
   M environs/dummy/environs.go
   M environs/ec2/config.go
   M schema/schema.go
   M schema/schema_test.go