refresh flag review modal (bug 1114845)

todo: tests

![screen shot 2014-12-23 at 1 53 45 am](https://cloud.githubusercontent.com/assets/674727/5536446/a9235202-8a46-11e4-91d4-3eabcbc37a3f.png)
![screen shot 2014-12-23 at 1 53 50 am](https://cloud.githubusercontent.com/assets/674727/5536447/aa68fefa-8a46-11e4-9772-e092995c7e0d.png)

depends on https://github.com/mozilla/marketplace-elements/pull/4