Add i18n string when a contact is destroyed.

#### Before
![i18n-bug](https://cloud.githubusercontent.com/assets/96776/5274325/2b40a000-7a48-11e4-87ba-33c3b3dbf544.png)

#### After
![i18n-after](https://cloud.githubusercontent.com/assets/96776/5274326/2b493e2c-7a48-11e4-838a-b3b364f13ff0.png)