LPS-43241 dropdown menu is partially cut off

Hey @ipeychev

We no longer need to dynamically add this pull-right class in rtl cases because r2.js is changing the direction of the ul's for us. Here is a screen with my changes.

![screen shot 2014-01-14 at 10 50 00 am](https://f.cloud.github.com/assets/2466445/1913770/a8f59328-7d4d-11e3-9b55-fa8df643f87f.png)