Tally: correct the sort order

Alter tally sort order to be by popularity descending instead of ascending.
Because we should show the most popular entries at the top.

## After
![image](https://f.cloud.github.com/assets/26855/233699/9bc1950e-875c-11e2-85a9-1739e83207bb.png)

## Before
![image](https://f.cloud.github.com/assets/26855/233742/2974a8e0-875e-11e2-98fb-87be22a4391d.png)