Code review comment for lp://staging/~gary/juju-core/megawatcher_api

Reviewers: mp+152228_code.launchpad.net,

Message:
Please take a look.

Description:
Exposed as-yet-unimplemented state watcher

Add api server code, api client code, and partly stub tests.

https://code.launchpad.net/~gary/juju-core/megawatcher_api/+merge/152228

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/7563046/

Affected files:
   A [revision details]
   M state/api/apiclient.go
   M state/api/params/params.go
   M state/api/params/params_test.go
   M state/apiserver/api_test.go
   M state/apiserver/apiserver.go
   M state/megawatcher.go
   M state/state.go