Allow editors to hide fronts on production

![screen shot 2014-10-03 at 16 10 15](https://cloud.githubusercontent.com/assets/1001642/4507828/e75b5e00-4b0f-11e4-8a24-d24c6b668e35.png)

![screen shot 2014-10-03 at 16 10 41](https://cloud.githubusercontent.com/assets/1001642/4507829/e9ded38c-4b0f-11e4-882d-5f6fa6d1e0a6.png)

CC @stephanfowler @kungpochicken