Added dirty field support to the service model from the ECS
Merge pull request #392 from hatched/dirty-model

Added dirty field support to the service model from the ECS

There are no user facing changes so as long as the tests pass...
Made deployer summary panel full height.
Merge pull request #394 from huwshimi/deployer-height

Made deployer summary panel full height

QA:
- drag a charm to the canvas
- click deploy in the deployer bar
- the summary panel should appear and should be 10px below the environment header. See mockup for reference: https://docs.google.com/a/canonical.com/file/d/0B_l975nRB6BuSXdNYVVoVDZVOEU/edit
_inspector method can retry if it has no data.

* Model search logic broken out into its own method.
* Y.later calls _inspector if no model found.
* Retry limit in place.
* Drive by doc fix.
Cancel the timer on dispatch.
Tests.