Code review comment for lp://staging/~aramh/juju-core/107-state-watchers-units-unassignments6

Reviewers: mp+130118_code.launchpad.net,

Message:
Please take a look.

Description:
state: machine units watcher reports unassignment

https://code.launchpad.net/~aramh/juju-core/107-state-watchers-units-unassignments6/+merge/130118

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/6720049/

Affected files:
   A [revision details]
   M state/machine_test.go
   M state/watcher.go