Speech bubbles keep their appearance when JS is disabled or comment count fails to load in

In some instances we have no text populated in speech bubbles (see screenshot).

![ugly speech bubble](https://f.cloud.github.com/assets/85783/669120/effacd0c-d824-11e2-9e65-b809eb7ce615.png)

This fixes the appearance of the bubbles when that happens:

![better bubble](https://f.cloud.github.com/assets/85783/669145/7de28448-d825-11e2-94f4-5edab0af8560.png)



![bathtub](http://www.stupidgifs.com/images/full/848.gif)