Fix visibility level texts on application settings

Introduced by me through !2005

Before:

![Screenshot_from_2016-01-26_09-34-09](/uploads/fa3e8f2522a1d26372c7a06a81119e6f/Screenshot_from_2016-01-26_09-34-09.png)

After:

![Screenshot_from_2016-01-26_09-34-27](/uploads/7955003dd02dd5376c9966aafdf4c50b/Screenshot_from_2016-01-26_09-34-27.png)


See merge request !2611