update zeppelin ui

### Table with scroll down
![screen shot 2014-10-22 at 7 30 33 pm](https://cloud.githubusercontent.com/assets/3139557/4734656/8794eac4-59d6-11e4-94ac-c49ed428ca79.png)

### Pivot
![screen shot 2014-10-22 at 7 28 58 pm](https://cloud.githubusercontent.com/assets/3139557/4734665/99018b46-59d6-11e4-99ea-9852e2a68433.png)