Redesign labels page

closes #14227 

## Desktop
![Screen_Shot_2016-04-05_at_7.19.37_PM](/uploads/a52b764565b6e2739fb6932178f8bde5/Screen_Shot_2016-04-05_at_7.19.37_PM.png)

## Mobile
![Screen_Shot_2016-04-04_at_6.40.57_PM](/uploads/9804b074126fcdb6755918e9f4c472a7/Screen_Shot_2016-04-04_at_6.40.57_PM.png)

See merge request !3507