Code review comment for lp://staging/~gary/juju-gui/bug1157138

*** Submitted:

Fix bug 1157138

Make service displayName dynamic so that newly created services
accurately change their display when transitioning from ghost to real.

R=benji, matthew.scott
CC=
https://codereview.appspot.com/7885045

https://codereview.appspot.com/7885045/