MUMUP-1193 : center using table display

Before:

![image](https://cloud.githubusercontent.com/assets/3534544/4578555/ab77db06-4fc5-11e4-9976-ae785f5fc2dd.png)

After:

![image](https://cloud.githubusercontent.com/assets/3534544/4578546/9e2d9f12-4fc5-11e4-9f89-d6d30d478096.png)