Fixed not being able to filter by any or no labels

Brings back the options to filter by any or no label

Closes #15008 

![Screen_Shot_2016-04-07_at_11.26.41](/uploads/20d949b19f537d830118532e1d44feb7/Screen_Shot_2016-04-07_at_11.26.41.png)

See merge request !3589