[SPRINTFIX][#53420683] Updates the "manage member roles" page of the knowledge base.


![fullscreen_12_19_13__1_04_pm](https://f.cloud.github.com/assets/2251119/1785242/edf92d1c-68e0-11e3-8fa4-78cadedfe887.jpg)


![fullscreen_12_19_13__1_04_pm 2](https://f.cloud.github.com/assets/2251119/1785241/edeefefa-68e0-11e3-9ced-9a651bbedf79.jpg)


![fullscreen_12_19_13__1_05_pm](https://f.cloud.github.com/assets/2251119/1785245/ee00d2ba-68e0-11e3-8b66-fee657c0564c.jpg)


![fullscreen_12_19_13__1_05_pm 2](https://f.cloud.github.com/assets/2251119/1785243/edff5548-68e0-11e3-814c-3ad735c8ed05.jpg)


![fullscreen_12_19_13__1_05_pm 3](https://f.cloud.github.com/assets/2251119/1785244/ee00a3da-68e0-11e3-865a-dc0597690b55.jpg)